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Common Aquarium Fish Diseases, Symptoms and Treatments

Fishes, contrary to popular belief, have a longer life span than most people would believe. It is the oversight of owners that cause a high percentage of fish loss. Conducive habitats are important to fishes well-being and stability in numbers. Maintaining a low incidence of common fish diseases would increase their rates of survival.

One common fish disease is ICH. This is a type of fish disease whereby the affected fish has white colored spots all over the body. When a fish is sick it is important to check for those white spots of the size and shape of the grains of salt over its skin. Such a affliction is caused by Ichthyophthirius in tanks containing freshwater and Cryptocaryon antigens in the saltwater tanks. Sometimes in addition to the body of the fish, the ICH may attack even the eyes and interiors of the mouth and even gills.

If the fish exhibit behaviors and symptoms such as gasping for air near the surface of the aquarium or rubbing against objects, it may be due to ICH. Loss of appetite is another symptom associated with the above mentioned ones. Fishes have low chances of combating ICH on their own. Copper sulfur medication needs to be administered in order that they can be cured. Antibiotic medication should be provided after the parasites are gone, in order to prevent them from recurring.

Velvet is a common bacteria with very similar signs to ICH, however, the spots on the body of the fish is smaller and dustier. Sometimes the spots may be gray or gold in color. The spots will be tinier and so they are more difficult to spot and attention should be paid to this aspect. Fishes that have contracted Velvet display similar symptoms to ICH, and will abrade itself against objects or show difficulty in breathing by trying to gulp in air near the surface of the water especially if the gills are infected. As with ICH, vets would generally advocate the use of copper medication as a form of treatment for Velvet.

A fungal infection may also develop quite commonly in fishes which appear in gray or white color over the body of the fish. This will be sighted in the fins or the mouths of the fish. An injury to the fish induced by another fish may also be the cause of this disease. Open wounds are highly prone to fungal infections. Suitable cures for fungal diseases are readily available from your local pet shop and can also be procured from pet suppliers registered online with ease.

Bacterial infection is a common occurrence among fishes. If you notice orange or red spot on the scales of the fishes, they are most probably bacterial infection. Dropsy is a frequent bacterial infection that is often noted. If the fish looks distended or has scales that bulge out, it is a sign that the infection is attacking the insides of the fish and it is. The fish would show signs of tiredness and a lack of interest in food. Medications such as penicillin, naladixic acid and tetracycline are most commonly used to cure bacterial infections.

Prevention is better than cure, and it will save you and your fishes a whole lot of trouble from treating them. The best way to provide a healthy environment for the fishes is to keep the aquarium clean. Do keep a look out for fishes that threaten or assault other fishes and keep such combative fishes apart. The quality of the water, the size and space for the fishes and the species of the fishes should be monitored regularly.

Dear in mind that the fishes can still fall prey to infections and afflictions at some juncture despite your best efforts. It is important to try to cure the disease as soon as possible to reduce the chances of it spreading and contaminating other fishes.

About the Author

Moses Wright is a pet lover and loves to help new pet owners deal with their pet problems at home. You can also find aquarium fish care solutions on his site.

Vacation Feeder - Fish Shape - 14-Day - 2 pk $2.99 Enjoy your vacation and don't worry about your fish. They'll be fine thanks to Pro Balance Vacation Fish Feeders. While you enjoy a week on vacation, your fish will be fed every day. Each feeder releases high-quality tubifex, bloodworms, and other delicious, nutritious foods that all fish love, along with vitamins and minerals, too. Have a great vacation with Pro Balance Vacation Fish Feeders. One block is good for a 10-15 gallon aquarium for up to 7 days.

Symphysodon aequifasciatus Snow White Discus $49.99 Discus are considered the Kings of the Freshwater fish! These beautiful, interestingly shaped fish can be quite rewarding when you take the time to care for them properly. Discus do best in groups. They also require pristine water conditions, with relatively low hardness, low pH, and high temperature. Be prepared to pay close attention to your water quality and the condition of your discus. Provide about 8-10 gallons of water per adult discus, starting with at least a 45 gallon aquarium. They also prefer a tall tank because of their body shape and activity. Your discus would do best if they are in a tank where there is low-traffic and no loud noises. Discus do well in a well-planted tank with driftwood and plenty of cover. They are quite docile and skittish and require a place to retreat and feel safe if necessary. They will not compete well for food, so be sure tankmates are equally as docile. Fast swimming fish can stress discus with their activity. Try Cardinal tetras, Rummy-nose tetras, rams, cory cats, and plecos that stay small. Feed your discus rich, meaty foods like worms and other larvae, beefheart, and a quality flake or small pellet. Increase the protein intake if you would like to breed your discus. Discus make rather good parents. They both protect the eggs and young, and they actually secrete a mucous that the fry feeds on during the very first few weeks that they are free-swimming. If you do your best to give your discus the conditions they want, they will reward you with many years of brilliant color and beauty, and plenty of personality, too! This is a Restricted item and is not covered by our Arrive Alive 5-Day Guarantee. Please visit the Guarantee Policy and Restricted Species webpages for more information.

Fish $1.49 Fish Button Black, gray, white and red horned agorable holding a fish bowl with dead fish

Scolopsis bilineata Bridled Monocle Bream - Juvenile $39.99 As a juvenile, the Bridled Bream ( Scolopsis bilineata ) has a white belly and a black and yellow striped dorsal half. As the fish matures, the stripes blend to solid grey and a black-edged white band develops form the eye to the dorsal fin. Light colored stripes develop on the head. Breams are related and similar to Snappers and Fusilier and are usually found more in the open water or higher in the water than many other aquarium fish. The adult fish is often very different in coloration and even shape than juveniles, and many grow too large or active for most home aquariums. Although not as predatory as their cousins, Breams may still prey on small fish and invertebrates like shrimp and crabs. Most will not eat or disturb corals and sessile (stationary) invertebrates. Most of these fish also grow very large and need a very large aquarium with ample filtration to accomodate them.

Epalzeorhynchos bicolor Albino Redtail Shark $2.99 Albino Redtail Sharks are named for their shark-like body shape, and they are actually related closely to barbs and loaches. This fish is characterized by its creamy body and bright red tail fin, coloration developed for the aquarium. There is also a spot of white on the tip of the dorsal fin. They eat a variety of foods including algae and uneaten food. They will also accept most flake, wafer, and pellet foods. Red tail sharks are shy fish and prefer to have several hiding places. Rocks, dirftwood, and plants make adequate cover. They are generally peaceful to most other fish but can be territorial, especially towards other sharks. For this reason it is best to keep only one shark for each 30 gallons.

Epalzeorhynchos bicolor Redtail Shark - Small $2.99 Redtail Sharks are named for their shark-like body shape, and they are actually related closely to barbs and loaches. This fish is characterized by its black body and bright red tail fin. There is also a spot of white on the tip of the dorsal fin. They eat a variety of foods including algae and uneaten food. They will also accept most flake, wafer, and pellet foods. Red tail sharks are shy fish and prefer to have several hiding places. Rocks, dirftwood, and plants make adequate cover. They are generally peaceful to most other fish but can be territorial, especially towards other sharks. For this reason it is best to keep only one shark for each 30 gallons.

Blood Parrot - Medium $19.99 Though long thought to be a hybrid between two cichlid species, the fish known commonly as "Parrot Cichlids", "Blood Parrots", or "King Kong Parrots" are cultivated deformities of the cichlid Amphilophus citrinellus , commonly known as the Midas Cichlid. These fish have short, squat bodies and their mouths do not close completely. Parrots are bred to produce their unique body shape in much the same way goldfish are bred to produce the varieties like Oranda's and Ryukin's. Just as Parrots are selectively bred for their body shape, they can also be bred for color. The "normal" colors can range from white or yellow to orange (the true "Blood Parrots" to deep red (often referred to as "purple"). Some black mottling can also occur. Some variations in body shape can also produce Parrots with a "lumpier" body as seen in the "King Kong Parrots" or tail-less fish as in the "Heart Parrots". As cichlids, Parrots may become territorial when established though they are generally far less aggressive than the natural Midas Cichlid. Their body shape makes them less mobile and aggressive and the Parrots should not be kept with very aggressive tankmates or with very small or docile tankmates and may prey on some invertebrates like shrimp. Suitable tankmates would be fish with a similar temperament like Geophagus , Severums, catfish and similar fish. They can be fed a varied diet of pellets and frozen foods and formulas.

Blood Parrot - Small $9.99 Though long thought to be a hybrid between two cichlid species, the fish known commonly as "Parrot Cichlids", "Blood Parrots", or "King Kong Parrots" are cultivated deformities of the cichlid Amphilophus citrinellus , commonly known as the Midas Cichlid. These fish have short, squat bodies and their mouths do not close completely. Parrots are bred to produce their unique body shape in much the same way goldfish are bred to produce the varieties like Oranda's and Ryukin's. Just as Parrots are selectively bred for their body shape, they can also be bred for color. The "normal" colors can range from white or yellow to orange (the true "Blood Parrots" to deep red (often referred to as "purple"). Some black mottling can also occur. Some variations in body shape can also produce Parrots with a "lumpier" body as seen in the "King Kong Parrots" or tail-less fish as in the "Heart Parrots". As cichlids, Parrots may become territorial when established though they are generally far less aggressive than the natural Midas Cichlid. Their body shape makes them less mobile and aggressive and the Parrots should not be kept with very aggressive tankmates or with very small or docile tankmates and may prey on some invertebrates like shrimp. Suitable tankmates would be fish with a similar temperament like Geophagus , Severums, catfish and similar fish. They can be fed a varied diet of pellets and frozen foods and formulas.

Lutjanus sebae Emperor Snapper - Juvenile $49.99 The juvenile Emperor Snapper ( Lutjanus sebae ) has a dark maroon and white banded body, while the adult has a pinkish white body with faint brown-red bands. Although Snappers may be popular with seafood enthusiasts, many are also popular aquarium fish. Snappers are usually found more in the open water or higher in the water than many other aquarium fish. The adult fish is often very different in coloration and even shape than juveniles, and many grow too large or active for most home aquariums. The ?? 1/2true?? 1/2 Snappers ?? 1/2 about 100 total - come from the Lutjanidae family although some other types of fish may have ?? 1/2Snapper?? 1/2 in their common name. They are predators and will eat almost anything small enough to fit into their considerably-sized mouths, including small fish and invertebrates like shrimp and crabs. Most will not eat or disturb corals and sessile (stationary) invertebrates but species that perch on surfaces may irritate or damage the corals by this behavior alone. Most of these fish also grow very large and need a very large aquarium with ample filtration to accomodate them.

Macropodus opercularis Albino Paradise Fish $6.99 Paradise Fish are relatives of gouramis and bettas that are excellent additions to the community aquarium. They have white bodies with red eyes and some red markings on their bodies. This is the original pet tropical fish; it is one of the first fish to be kept in an aquarium. Paradise fish are very hardy, and will tolerate a wide variety of water conditions. Paradise fish are anabantids, and have a labyrinth organ that allows them to breathe atmospheric oxygen. They prefer slow-moving water. They are not picky eaters, and will accept almost any foods they are offered. Paradise fish have been known to be territorial, so be careful when keeping them in a community aquarium as they may harass small or timid fish. They are best kept in a species tank or with medium to large, hardy community species. They are also notorious jumpers, so be sure you have a tight-fitting lid!

Acanthurus japonicus Powder Brown Tang - Large $59.99 The Powder Brown Tang ( Acanthurus japonicus ) is a popular fish also known as the White-faced or Japanese Tang. It has a brown body with a blue-trimmed black dorsal and anal fins and an orange streak on the rear of the dorsal fin. The tail is white with a yellow vertical bar and the body is rimmed in yellow around the base of the dorsal, anal and caudal fins. The face between the eyes and mouth is white. Tangs and Surgeonfish are some of the most popular and common fish found in the aquarium trade. This group includes several genuses that can be associated with the various common name groups although "Surgeonfish" and "Tang" are often used interchangeably: Acanthurus ("Surgeonfish"), Naso ("Unicorn Tangs"), Ctenochaetus ("Bristletooth Tangs") and Zebrasoma ("Tangs"). They are found in almost every tropical oceans and in almost every color and pattern. The common names ?? 1/2surgeonfish?? 1/2 or "doctorfish" comes from the tiny scalpel-like spine at the base of the fish's tail. They use this spine as defense and will extend the spine if threatened. You may witness the tang shimmying up against another tang or fish; this is a sign of aggression as they may be using this spine to ward off the other fish. Always use caution when handling or netting a tang since this spine can become caught or cause injuries. Tangs and Surgeonfish are omnivores but a large part of the diet of most species consists of algae and plant matter. Tangs should also be given some meaty food to round out their diet. However, tangs that are fed primarily meaty foods over a long period of time are more likely to suffer from head and lateral line erosion (HLLE). HLLE disease in the short run is not fatal, but over time if the disease continues to progress the fish will stop eating and become lethargic and susceptible to other infections which may eventually contribute to its demise. The best treatment is prevention; maintain excellent water quality and feed a rich and varied diet. Supplementing with a multivitamin (A, D, E, B complex, and Iodine) may also help prevent further erosion. Tangs are generally community fish and get along with most other tankmates. Most do not bother corals and can actually help keep nuisance algae trimmed and under control, especially "Bristletooth Tangs" from the Ctenochaetus genus. Tangs may get territorial and aggressive towards similar tangs, so always use caution when keeping these fish together or with other fish that have a similar body shape or coloration. Visit That Fish Blog for more information on Tangs and Surgeonfish and other aquarium-related topics from our marine biologists and aquatic staff. This is a Restricted item and is not covered by our Arrive Alive 5-Day Guarantee. Please visit the Guarantee Policy and Restricted Species webpages for more information.

Acanthurus japonicus Powder Brown Tang - Medium $49.99 The Powder Brown Tang ( Acanthurus japonicus ) is a popular fish also known as the White-faced or Japanese Tang. It has a brown body with a blue-trimmed black dorsal and anal fins and an orange streak on the rear of the dorsal fin. The tail is white with a yellow vertical bar and the body is rimmed in yellow around the base of the dorsal, anal and caudal fins. The face between the eyes and mouth is white. Tangs and Surgeonfish are some of the most popular and common fish found in the aquarium trade. This group includes several genuses that can be associated with the various common name groups although "Surgeonfish" and "Tang" are often used interchangeably: Acanthurus ("Surgeonfish"), Naso ("Unicorn Tangs"), Ctenochaetus ("Bristletooth Tangs") and Zebrasoma ("Tangs"). They are found in almost every tropical oceans and in almost every color and pattern. The common names ?? 1/2surgeonfish?? 1/2 or "doctorfish" comes from the tiny scalpel-like spine at the base of the fish's tail. They use this spine as defense and will extend the spine if threatened. You may witness the tang shimmying up against another tang or fish; this is a sign of aggression as they may be using this spine to ward off the other fish. Always use caution when handling or netting a tang since this spine can become caught or cause injuries. Tangs and Surgeonfish are omnivores but a large part of the diet of most species consists of algae and plant matter. Tangs should also be given some meaty food to round out their diet. However, tangs that are fed primarily meaty foods over a long period of time are more likely to suffer from head and lateral line erosion (HLLE). HLLE disease in the short run is not fatal, but over time if the disease continues to progress the fish will stop eating and become lethargic and susceptible to other infections which may eventually contribute to its demise. The best treatment is prevention; maintain excellent water quality and feed a rich and varied diet. Supplementing with a multivitamin (A, D, E, B complex, and Iodine) may also help prevent further erosion. Tangs are generally community fish and get along with most other tankmates. Most do not bother corals and can actually help keep nuisance algae trimmed and under control, especially "Bristletooth Tangs" from the Ctenochaetus genus. Tangs may get territorial and aggressive towards similar tangs, so always use caution when keeping these fish together or with other fish that have a similar body shape or coloration. Visit That Fish Blog for more information on Tangs and Surgeonfish and other aquarium-related topics from our marine biologists and aquatic staff. This is a Restricted item and is not covered by our Arrive Alive 5-Day Guarantee. Please visit the Guarantee Policy and Restricted Species webpages for more information.

Amphiprion nigripes Rose Skunk Clownfish $44.99 The Rose Clownfish ( Amphiprion nigripes ) has a unique peachy-rose coloration with a darker underside. They havea stout body shape and one white stripe through their head. Clownfish are some of the hardiest and most traditional fish for marine aquariums. They generally come from two genuses - most are in the genus Amphiprion with one species in the genus Premnas - and all are found in the Pomacentridae family along with damsels and chromises. They are some of the mostly widely tankraised fish, leading to more man-made variations becoming available like Misbars and Albinos as species are selectively bred and crossed. It is usually best to keep one clownfish per tank, though a pair can sometimes be kept if one is significantly smaller than the other or are about the same size when added as juveniles. One fish will develop into a female and become larger in size while the other (or others, in large tanks) will remain male. As the fish mature, they may also become aggressive towards new arrivals (or hands in the tank), so be prepared for aggression to follow even if the new fish is large in size. Mixing tankraised and wild-caught individuals is generally not recommended since their immunity and exposure to diseases and parasites may be different. Clownfish are generally not fussy eaters, and will accept a range of frozen and prepared foods like flakes, pellets, and frozen formulas. They can benefit from some plant matter in their diet, although they are not considered herbivores and do need some meaty foods. Some clownfish can be sensitive to toxins, especially heavy metal based medications like copper. Though the interaction between anemones and clownfish is amusing to watch, it is not necessary to the survival of either animal. Some clownfish will only host in specific anemones and vice versa. A host anemone should generally have a diameter of at least twice the length of the clownfish when introduced together for the best health of both the clownfish and the anemone. Tankraised fish can also be less likely to use a host anemone than wild-caught fish. Visit That Fish Blog for more information from our marine biologists on clownfish social structure and gender , anemone selection and preferences and other clownfish-related topics.

Zebrasoma flavescens Yellow Tang - Medium $49.99 The Yellow Tang ( Zebrasoma flavescens ) is a highly recognizeable and very popular aquarium fish. These tangs are solid yellow in their body and fins. The tail spine at the base of the tail is white. They may become very territorial and should not be kept with other Zebrasoma tangs, with fish with a similar appearance, or in a small aquarium. Tangs and Surgeonfish are some of the most popular and common fish found in the aquarium trade. This group includes several genuses that can be associated with the various common name groups although "Surgeonfish" and "Tang" are often used interchangeably: Acanthurus ("Surgeonfish"), Naso ("Unicorn Tangs"), Ctenochaetus ("Bristletooth Tangs") and Zebrasoma ("Tangs"). They are found in almost every tropical oceans and in almost every color and pattern. The common names ?? 1/2surgeonfish?? 1/2 or "doctorfish" comes from the tiny scalpel-like spine at the base of the fish's tail. They use this spine as defense and will extend the spine if threatened. You may witness the tang shimmying up against another tang or fish; this is a sign of aggression as they may be using this spine to ward off the other fish. Always use caution when handling or netting a tang since this spine can become caught or cause injuries. Tangs and Surgeonfish are omnivores but a large part of the diet of most species consists of algae and plant matter. Tangs should also be given some meaty food to round out their diet. However, tangs that are fed primarily meaty foods over a long period of time are more likely to suffer from head and lateral line erosion (HLLE). HLLE disease in the short run is not fatal, but over time if the disease continues to progress the fish will stop eating and become lethargic and susceptible to other infections which may eventually contribute to its demise. The best treatment is prevention; maintain excellent water quality and feed a rich and varied diet. Supplementing with a multivitamin (A, D, E, B complex, and Iodine) may also help prevent further erosion. Tangs are generally community fish and get along with most other tankmates. Most do not bother corals and can actually help keep nuisance algae trimmed and under control, especially "Bristletooth Tangs" from the Ctenochaetus genus. Tangs may get territorial and aggressive towards similar tangs, so always use caution when keeping these fish together or with other fish that have a similar body shape or coloration. Visit That Fish Blog for more information on Tangs and Surgeonfish and other aquarium-related topics from our marine biologists and aquatic staff.

Zebrasoma flavescens Yellow Tang - Large $64.99 The Yellow Tang ( Zebrasoma flavescens ) is a highly recognizeable and very popular aquarium fish. These tangs are solid yellow in their body and fins. The tail spine at the base of the tail is white. They may become very territorial and should not be kept with other Zebrasoma tangs, with fish with a similar appearance, or in a small aquarium. Tangs and Surgeonfish are some of the most popular and common fish found in the aquarium trade. This group includes several genuses that can be associated with the various common name groups although "Surgeonfish" and "Tang" are often used interchangeably: Acanthurus ("Surgeonfish"), Naso ("Unicorn Tangs"), Ctenochaetus ("Bristletooth Tangs") and Zebrasoma ("Tangs"). They are found in almost every tropical oceans and in almost every color and pattern. The common names ?? 1/2surgeonfish?? 1/2 or "doctorfish" comes from the tiny scalpel-like spine at the base of the fish's tail. They use this spine as defense and will extend the spine if threatened. You may witness the tang shimmying up against another tang or fish; this is a sign of aggression as they may be using this spine to ward off the other fish. Always use caution when handling or netting a tang since this spine can become caught or cause injuries. Tangs and Surgeonfish are omnivores but a large part of the diet of most species consists of algae and plant matter. Tangs should also be given some meaty food to round out their diet. However, tangs that are fed primarily meaty foods over a long period of time are more likely to suffer from head and lateral line erosion (HLLE). HLLE disease in the short run is not fatal, but over time if the disease continues to progress the fish will stop eating and become lethargic and susceptible to other infections which may eventually contribute to its demise. The best treatment is prevention; maintain excellent water quality and feed a rich and varied diet. Supplementing with a multivitamin (A, D, E, B complex, and Iodine) may also help prevent further erosion. Tangs are generally community fish and get along with most other tankmates. Most do not bother corals and can actually help keep nuisance algae trimmed and under control, especially "Bristletooth Tangs" from the Ctenochaetus genus. Tangs may get territorial and aggressive towards similar tangs, so always use caution when keeping these fish together or with other fish that have a similar body shape or coloration. Visit That Fish Blog for more information on Tangs and Surgeonfish and other aquarium-related topics from our marine biologists and aquatic staff.

Zebrasoma flavescens Yellow Tang - Small $39.99 The Yellow Tang ( Zebrasoma flavescens ) is a highly recognizeable and very popular aquarium fish. These tangs are solid yellow in their body and fins. The tail spine at the base of the tail is white. They may become very territorial and should not be kept with other Zebrasoma tangs, with fish with a similar appearance, or in a small aquarium. Tangs and Surgeonfish are some of the most popular and common fish found in the aquarium trade. This group includes several genuses that can be associated with the various common name groups although "Surgeonfish" and "Tang" are often used interchangeably: Acanthurus ("Surgeonfish"), Naso ("Unicorn Tangs"), Ctenochaetus ("Bristletooth Tangs") and Zebrasoma ("Tangs"). They are found in almost every tropical oceans and in almost every color and pattern. The common names ?? 1/2surgeonfish?? 1/2 or "doctorfish" comes from the tiny scalpel-like spine at the base of the fish's tail. They use this spine as defense and will extend the spine if threatened. You may witness the tang shimmying up against another tang or fish; this is a sign of aggression as they may be using this spine to ward off the other fish. Always use caution when handling or netting a tang since this spine can become caught or cause injuries. Tangs and Surgeonfish are omnivores but a large part of the diet of most species consists of algae and plant matter. Tangs should also be given some meaty food to round out their diet. However, tangs that are fed primarily meaty foods over a long period of time are more likely to suffer from head and lateral line erosion (HLLE). HLLE disease in the short run is not fatal, but over time if the disease continues to progress the fish will stop eating and become lethargic and susceptible to other infections which may eventually contribute to its demise. The best treatment is prevention; maintain excellent water quality and feed a rich and varied diet. Supplementing with a multivitamin (A, D, E, B complex, and Iodine) may also help prevent further erosion. Tangs are generally community fish and get along with most other tankmates. Most do not bother corals and can actually help keep nuisance algae trimmed and under control, especially "Bristletooth Tangs" from the Ctenochaetus genus. Tangs may get territorial and aggressive towards similar tangs, so always use caution when keeping these fish together or with other fish that have a similar body shape or coloration. Visit That Fish Blog for more information on Tangs and Surgeonfish and other aquarium-related topics from our marine biologists and aquatic staff.

Zebrasoma flavescens Yellow Tang - Small/Medium $44.99 The Yellow Tang ( Zebrasoma flavescens ) is a highly recognizeable and very popular aquarium fish. These tangs are solid yellow in their body and fins. The tail spine at the base of the tail is white. They may become very territorial and should not be kept with other Zebrasoma tangs, with fish with a similar appearance, or in a small aquarium. Tangs and Surgeonfish are some of the most popular and common fish found in the aquarium trade. This group includes several genuses that can be associated with the various common name groups although "Surgeonfish" and "Tang" are often used interchangeably: Acanthurus ("Surgeonfish"), Naso ("Unicorn Tangs"), Ctenochaetus ("Bristletooth Tangs") and Zebrasoma ("Tangs"). They are found in almost every tropical oceans and in almost every color and pattern. The common names ?? 1/2surgeonfish?? 1/2 or "doctorfish" comes from the tiny scalpel-like spine at the base of the fish's tail. They use this spine as defense and will extend the spine if threatened. You may witness the tang shimmying up against another tang or fish; this is a sign of aggression as they may be using this spine to ward off the other fish. Always use caution when handling or netting a tang since this spine can become caught or cause injuries. Tangs and Surgeonfish are omnivores but a large part of the diet of most species consists of algae and plant matter. Tangs should also be given some meaty food to round out their diet. However, tangs that are fed primarily meaty foods over a long period of time are more likely to suffer from head and lateral line erosion (HLLE). HLLE disease in the short run is not fatal, but over time if the disease continues to progress the fish will stop eating and become lethargic and susceptible to other infections which may eventually contribute to its demise. The best treatment is prevention; maintain excellent water quality and feed a rich and varied diet. Supplementing with a multivitamin (A, D, E, B complex, and Iodine) may also help prevent further erosion. Tangs are generally community fish and get along with most other tankmates. Most do not bother corals and can actually help keep nuisance algae trimmed and under control, especially "Bristletooth Tangs" from the Ctenochaetus genus. Tangs may get territorial and aggressive towards similar tangs, so always use caution when keeping these fish together or with other fish that have a similar body shape or coloration. Visit That Fish Blog for more information on Tangs and Surgeonfish and other aquarium-related topics from our marine biologists and aquatic staff.

Zebrasoma flavescens Yellow Tang - Medium/Large $59.99 The Yellow Tang ( Zebrasoma flavescens ) is a highly recognizeable and very popular aquarium fish. These tangs are solid yellow in their body and fins. The tail spine at the base of the tail is white. They may become very territorial and should not be kept with other Zebrasoma tangs, with fish with a similar appearance, or in a small aquarium. Tangs and Surgeonfish are some of the most popular and common fish found in the aquarium trade. This group includes several genuses that can be associated with the various common name groups although "Surgeonfish" and "Tang" are often used interchangeably: Acanthurus ("Surgeonfish"), Naso ("Unicorn Tangs"), Ctenochaetus ("Bristletooth Tangs") and Zebrasoma ("Tangs"). They are found in almost every tropical oceans and in almost every color and pattern. The common names ?? 1/2surgeonfish?? 1/2 or "doctorfish" comes from the tiny scalpel-like spine at the base of the fish's tail. They use this spine as defense and will extend the spine if threatened. You may witness the tang shimmying up against another tang or fish; this is a sign of aggression as they may be using this spine to ward off the other fish. Always use caution when handling or netting a tang since this spine can become caught or cause injuries. Tangs and Surgeonfish are omnivores but a large part of the diet of most species consists of algae and plant matter. Tangs should also be given some meaty food to round out their diet. However, tangs that are fed primarily meaty foods over a long period of time are more likely to suffer from head and lateral line erosion (HLLE). HLLE disease in the short run is not fatal, but over time if the disease continues to progress the fish will stop eating and become lethargic and susceptible to other infections which may eventually contribute to its demise. The best treatment is prevention; maintain excellent water quality and feed a rich and varied diet. Supplementing with a multivitamin (A, D, E, B complex, and Iodine) may also help prevent further erosion. Tangs are generally community fish and get along with most other tankmates. Most do not bother corals and can actually help keep nuisance algae trimmed and under control, especially "Bristletooth Tangs" from the Ctenochaetus genus. Tangs may get territorial and aggressive towards similar tangs, so always use caution when keeping these fish together or with other fish that have a similar body shape or coloration. Visit That Fish Blog for more information on Tangs and Surgeonfish and other aquarium-related topics from our marine biologists and aquatic staff.

Ostracion meleagris Black Boxfish - Small Female $44.99 Ostracion meleagris is known by several common names including Blue Boxfish , Black Boxfish or simply Spotted Boxfish due to its drastically different coloration between males and females. There are at least two known subspecies of this fish. Although they can get up to about 10 inches, they normally do not grow over about 6 inches. A pair can be kept together as long as the aquarium is large enough to accommodate both. Though coloration is variable, males will usually have blue sides with black or orange spots and the top of their body is black with white spots. Females (and juveniles) have a brown or black body with numerous tiny white spots from head to tail. Boxfish, Cowfish and Trunkfish are all very closely related to each other. All have bodies that are box or pyramid-shaped. Although they may resemble some puffers, these fish do not "inflate" when stressed like puffers do. Coloration, habitat and body shape may vary but all of these fish generally have pointed snouts that they used to pick prey items out of rockwork and crevices. They feed on invertebrates like some corals and polyps, crabs, shrimp, molluscs, worms and similar prey. They can be fed a varied meaty diet of fresh or frozen prey in the aquarium as long as the food is appropriately sized for their relatively small mouths. These fish are not Reef Safe. Many will eat corals, especially smaller-polyped corals and polyps. They can usually be kept with most peaceful tankmates but should not be kept with aggressive tankmates or very active swimmers that can stress these passive weak-swimming fish. If stressed, these fish can release a toxin into the water that can be harmful to itself and other tankmates. Always remove a struggling boxfish or cowfish into a separate quarantine tank if stressed and monitor their interactions with their tankmates closely. Avoid putting them in a tank with large, aggressive, or very active tankmates. Visit That Fish Blog for more information from our marine biologists and guest authors on Boxfish, Trunkfish and Cowfish as well as a Species Profile on Longhorn Cowfish . This is a Restricted item and is not covered by our Arrive Alive 5-Day Guarantee. Please visit the Guarantee Policy and Restricted Species webpages for more information.

Ostracion meleagris Black Boxfish - Medium Female $49.99 Ostracion meleagris is known by several common names including Blue Boxfish , Black Boxfish or simply Spotted Boxfish due to its drastically different coloration between males and females. There are at least two known subspecies of this fish. Although they can get up to about 10 inches, they normally do not grow over about 6 inches. A pair can be kept together as long as the aquarium is large enough to accommodate both. Though coloration is variable, males will usually have blue sides with black or orange spots and the top of their body is black with white spots. Females (and juveniles) have a brown or black body with numerous tiny white spots from head to tail. Boxfish, Cowfish and Trunkfish are all very closely related to each other. All have bodies that are box or pyramid-shaped. Although they may resemble some puffers, these fish do not "inflate" when stressed like puffers do. Coloration, habitat and body shape may vary but all of these fish generally have pointed snouts that they used to pick prey items out of rockwork and crevices. They feed on invertebrates like some corals and polyps, crabs, shrimp, molluscs, worms and similar prey. They can be fed a varied meaty diet of fresh or frozen prey in the aquarium as long as the food is appropriately sized for their relatively small mouths. These fish are not Reef Safe. Many will eat corals, especially smaller-polyped corals and polyps. They can usually be kept with most peaceful tankmates but should not be kept with aggressive tankmates or very active swimmers that can stress these passive weak-swimming fish. If stressed, these fish can release a toxin into the water that can be harmful to itself and other tankmates. Always remove a struggling boxfish or cowfish into a separate quarantine tank if stressed and monitor their interactions with their tankmates closely. Avoid putting them in a tank with large, aggressive, or very active tankmates. Visit That Fish Blog for more information from our marine biologists and guest authors on Boxfish, Trunkfish and Cowfish as well as a Species Profile on Longhorn Cowfish . This is a Restricted item and is not covered by our Arrive Alive 5-Day Guarantee. Please visit the Guarantee Policy and Restricted Species webpages for more information.

Ostracion meleagris Blue Boxfish - Small Male $99.99 Ostracion meleagris is known by several common names including Blue Boxfish , Black Boxfish or simply Spotted Boxfish due to its drastically different coloration between males and females. There are at least two known subspecies of this fish. Although they can get up to about 10 inches, they normally do not grow over about 6 inches. A pair can be kept together as long as the aquarium is large enough to accommodate both. Though coloration is variable, males will usually have blue sides with black or orange spots and the top of their body is black with white spots. Females (and juveniles) have a brown or black body with numerous tiny white spots from head to tail. Boxfish, Cowfish and Trunkfish are all very closely related to each other. All have bodies that are box or pyramid-shaped. Although they may resemble some puffers, these fish do not "inflate" when stressed like puffers do. Coloration, habitat and body shape may vary but all of these fish generally have pointed snouts that they used to pick prey items out of rockwork and crevices. They feed on invertebrates like some corals and polyps, crabs, shrimp, molluscs, worms and similar prey. They can be fed a varied meaty diet of fresh or frozen prey in the aquarium as long as the food is appropriately sized for their relatively small mouths. These fish are not Reef Safe. Many will eat corals, especially smaller-polyped corals and polyps. They can usually be kept with most peaceful tankmates but should not be kept with aggressive tankmates or very active swimmers that can stress these passive weak-swimming fish. If stressed, these fish can release a toxin into the water that can be harmful to itself and other tankmates. Always remove a struggling boxfish or cowfish into a separate quarantine tank if stressed and monitor their interactions with their tankmates closely. Avoid putting them in a tank with large, aggressive, or very active tankmates. Visit That Fish Blog for more information from our marine biologists and guest authors on Boxfish, Trunkfish and Cowfish as well as a Species Profile on Longhorn Cowfish . This is a Restricted item and is not covered by our Arrive Alive 5-Day Guarantee. Please visit the Guarantee Policy and Restricted Species webpages for more information.

Acanthurus achilles Achilles Tang - Medium $299.99 The Achilles Tang ( Acanthurus achilles ) is one of the more aggressive tangs available. It has a dark chocolate brown body with a white mark on the gill cover and a large orange teardrop at the rear of the body. The caudal fin is orange and brown with white edges, and the bases of the anal and dorsal fins are edged in orange and white. Tangs and Surgeonfish are some of the most popular and common fish found in the aquarium trade. This group includes several gennuses that can be associated with the various common name groups although "Surgeonfish" and "Tang" are often used interchangeably: Acanthurus ("Surgeonfish"), Naso ("Unicorn Tangs"), Ctenochaetus ("Bristletooth Tangs") and Zebrasoma ("Tangs"). They are found in almost every tropical oceans and in almost every color and pattern. The common names ?? 1/2surgeonfish?? 1/2 or "doctorfish" comes from the tiny scalpel-like spine at the base of the fish's tail. They use this spine as defense and will extend the spine if threatened. You may witness the tang shimmying up against another tang or fish; this is a sign of aggression as they may be using this spine to ward off the other fish. Always use caution when handling or netting a tang since this spine can become caught or cause injuries. Tangs and Surgeonfish are omnivores but a large part of the diet of most species consists of algae and plant matter. Tangs should also be given some meaty food to round out their diet. However, tangs that are fed primarily meaty foods over a long period of time are more likely to suffer from head and lateral line erosion (HLLE). HLLE disease in the short run is not fatal, but over time if the disease continues to progress the fish will stop eating and become lethargic and susceptible to other infections which may eventually contribute to its demise. The best treatment is prevention; maintain excellent water quality and feed a rich and varied diet. Supplementing with a multivitamin (A, D, E, B complex, and Iodine) may also help prevent further erosion. Tangs are generally community fish and get along with most other tankmates. Most do not bother corals and can actually help keep nuisance algae trimmed and under control, especially "Bristletooth Tangs" from the Ctenochaetus genus. Tangs may get territorial and aggressive towards similar tangs, so always use caution when keeping these fish together or with other fish that have a similar body shape or coloration. Visit That Fish Blog for more information on Tangs and Surgeonfish and other aquarium-related topics from our marine biologists and aquatic staff. This is a Restricted item and is not covered by our Arrive Alive 5-Day Guarantee. Please visit the Guarantee Policy and Restricted Species webpages for more information.

Ctenochaetus tominiensis Tomini Bristletooth Tang - Large $79.99 The Tomini Bristletooth Tang ( Ctenochaetus tominiensis ) is a stunning and unusual tang that does not often become available to aquarists. This tang is related to the more common Kole Tang ( C. strigosus ) and has a similar body shape but its fins are more pointed than other tangs and are tipped in a vibrant orange-yellow color. The tail is white or clear. Tangs and Surgeonfish are some of the most popular and common fish found in the aquarium trade. This group includes several genuses that can be associated with the various common name groups although "Surgeonfish" and "Tang" are often used interchangeably: Acanthurus ("Surgeonfish"), Naso ("Unicorn Tangs"), Ctenochaetus ("Bristletooth Tangs") and Zebrasoma ("Tangs"). They are found in almost every tropical oceans and in almost every color and pattern. The common names ?? 1/2surgeonfish?? 1/2 or "doctorfish" comes from the tiny scalpel-like spine at the base of the fish's tail. They use this spine as defense and will extend the spine if threatened. You may witness the tang shimmying up against another tang or fish; this is a sign of aggression as they may be using this spine to ward off the other fish. Always use caution when handling or netting a tang since this spine can become caught or cause injuries. Tangs and Surgeonfish are omnivores but a large part of the diet of most species consists of algae and plant matter. Tangs should also be given some meaty food to round out their diet. However, tangs that are fed primarily meaty foods over a long period of time are more likely to suffer from head and lateral line erosion (HLLE). HLLE disease in the short run is not fatal, but over time if the disease continues to progress the fish will stop eating and become lethargic and susceptible to other infections which may eventually contribute to its demise. The best treatment is prevention; maintain excellent water quality and feed a rich and varied diet. Supplementing with a multivitamin (A, D, E, B complex, and Iodine) may also help prevent further erosion. Tangs are generally community fish and get along with most other tankmates. Most do not bother corals and can actually help keep nuisance algae trimmed and under control, especially "Bristletooth Tangs" from the Ctenochaetus genus. Tangs may get territorial and aggressive towards similar tangs, so always use caution when keeping these fish together or with other fish that have a similar body shape or coloration. Visit That Fish Blog for more information on Tangs and Surgeonfish and other aquarium-related topics from our marine biologists and aquatic staff.

Ctenochaetus tominiensis Tomini Bristletooth Tang - Small $49.99 The Tomini Bristletooth Tang ( Ctenochaetus tominiensis ) is a stunning and unusual tang that does not often become available to aquarists. This tang is related to the more common Kole Tang ( C. strigosus ) and has a similar body shape but its fins are more pointed than other tangs and are tipped in a vibrant orange-yellow color. The tail is white or clear. Tangs and Surgeonfish are some of the most popular and common fish found in the aquarium trade. This group includes several genuses that can be associated with the various common name groups although "Surgeonfish" and "Tang" are often used interchangeably: Acanthurus ("Surgeonfish"), Naso ("Unicorn Tangs"), Ctenochaetus ("Bristletooth Tangs") and Zebrasoma ("Tangs"). They are found in almost every tropical oceans and in almost every color and pattern. The common names ?? 1/2surgeonfish?? 1/2 or "doctorfish" comes from the tiny scalpel-like spine at the base of the fish's tail. They use this spine as defense and will extend the spine if threatened. You may witness the tang shimmying up against another tang or fish; this is a sign of aggression as they may be using this spine to ward off the other fish. Always use caution when handling or netting a tang since this spine can become caught or cause injuries. Tangs and Surgeonfish are omnivores but a large part of the diet of most species consists of algae and plant matter. Tangs should also be given some meaty food to round out their diet. However, tangs that are fed primarily meaty foods over a long period of time are more likely to suffer from head and lateral line erosion (HLLE). HLLE disease in the short run is not fatal, but over time if the disease continues to progress the fish will stop eating and become lethargic and susceptible to other infections which may eventually contribute to its demise. The best treatment is prevention; maintain excellent water quality and feed a rich and varied diet. Supplementing with a multivitamin (A, D, E, B complex, and Iodine) may also help prevent further erosion. Tangs are generally community fish and get along with most other tankmates. Most do not bother corals and can actually help keep nuisance algae trimmed and under control, especially "Bristletooth Tangs" from the Ctenochaetus genus. Tangs may get territorial and aggressive towards similar tangs, so always use caution when keeping these fish together or with other fish that have a similar body shape or coloration. Visit That Fish Blog for more information on Tangs and Surgeonfish and other aquarium-related topics from our marine biologists and aquatic staff.

Ctenochaetus tominiensis Tomini Bristletooth Tang - Medium $59.99 The Tomini Bristletooth Tang ( Ctenochaetus tominiensis ) is a stunning and unusual tang that does not often become available to aquarists. This tang is related to the more common Kole Tang ( C. strigosus ) and has a similar body shape but its fins are more pointed than other tangs and are tipped in a vibrant orange-yellow color. The tail is white or clear. Tangs and Surgeonfish are some of the most popular and common fish found in the aquarium trade. This group includes several genuses that can be associated with the various common name groups although "Surgeonfish" and "Tang" are often used interchangeably: Acanthurus ("Surgeonfish"), Naso ("Unicorn Tangs"), Ctenochaetus ("Bristletooth Tangs") and Zebrasoma ("Tangs"). They are found in almost every tropical oceans and in almost every color and pattern. The common names ?? 1/2surgeonfish?? 1/2 or "doctorfish" comes from the tiny scalpel-like spine at the base of the fish's tail. They use this spine as defense and will extend the spine if threatened. You may witness the tang shimmying up against another tang or fish; this is a sign of aggression as they may be using this spine to ward off the other fish. Always use caution when handling or netting a tang since this spine can become caught or cause injuries. Tangs and Surgeonfish are omnivores but a large part of the diet of most species consists of algae and plant matter. Tangs should also be given some meaty food to round out their diet. However, tangs that are fed primarily meaty foods over a long period of time are more likely to suffer from head and lateral line erosion (HLLE). HLLE disease in the short run is not fatal, but over time if the disease continues to progress the fish will stop eating and become lethargic and susceptible to other infections which may eventually contribute to its demise. The best treatment is prevention; maintain excellent water quality and feed a rich and varied diet. Supplementing with a multivitamin (A, D, E, B complex, and Iodine) may also help prevent further erosion. Tangs are generally community fish and get along with most other tankmates. Most do not bother corals and can actually help keep nuisance algae trimmed and under control, especially "Bristletooth Tangs" from the Ctenochaetus genus. Tangs may get territorial and aggressive towards similar tangs, so always use caution when keeping these fish together or with other fish that have a similar body shape or coloration. Visit That Fish Blog for more information on Tangs and Surgeonfish and other aquarium-related topics from our marine biologists and aquatic staff.

Melichthys vidua Pink Tail Trigger - Medium $59.99 Pink Tail Trigger ( Melichthys vidua ) have a dark olive-brown body with a pink tail. The dorsal and anal fins are white with black edges, while the pectoral fins are yellow. These triggers are fairly peaceful and can be kept in some community and reef aquariums, although adults may prey on some crustaceans or very small fish. Triggerfish are easily recognized by their distinct body shape and a thick dorsal spike that can be raised and lowered at will. When these fish feels threatened, is ready for sleep at night, or wants to secure itself against strong wave action, it can use the spine to wedge itself into a hole or crevice. Once a trigger has secured itself, it is next to impossible to remove it from its hiding place. These fish may lay on the bottom of the tank or hide in a corner if they can't find an adequate place to feel secure, so they appreciate rock or other ornaments where that can retreat. Use caution when netting these fish as the spines and rough scales can become tangled in the mesh. Triggerfish are voracious carnivores and will need to be fed a varied diet of meaty foods including freeze-dried or frozen clam, krill, shrimp, and other similar items. They generally cannot be housed with inverts such as crabs, clams, urchins or crabs as these will be seen as a quick snack. Tank mates should be chosen carefully, and they should be large enough and tough enough to hold their own against a feisty trigger. Be aware that these are very active fish, spending most of their time in the open searching for food or other fish to chase. Some can be downright mean, killing tank mates or biting electrical cords, fingers, or anything else that breaks the water's surface. Be aware of the temperament of any trigger species you may want to house in a tank before they are introduced. Even small triggers can cause big issues as they mature or become established. Triggers from the genera Pseudobalistes , Rhinecanthus , Balistes and Balistoides are generally the most aggressive species and should not be kept with corals, inverts or small fish. Odonus , Melichthys , and Xanthichthys genera are generally less aggressive or destructive and some may even be kept successfully in community or reef aquariums but be aware that they still may prey on inverts (especially crustaceans) or on smaller tankmates.

Acanthurus leucosternon Powder Blue Tang - Medium $79.99 The Powder Blue Tang ( Acanthurus leucosternon ) gets its name from its light blue body color. The head is black and the dorsal fin and base of the tail are yellow. The chest area underneath the mouth is white and the tail is also white with black on the edge and base. Tangs and Surgeonfish are some of the most popular and common fish found in the aquarium trade. This group includes several genuses that can be associated with the various common name groups although "Surgeonfish" and "Tang" are often used interchangeably: Acanthurus ("Surgeonfish"), Naso ("Unicorn Tangs"), Ctenochaetus ("Bristletooth Tangs") and Zebrasoma ("Tangs"). They are found in almost every tropical oceans and in almost every color and pattern. The common names ?? 1/2surgeonfish?? 1/2 or "doctorfish" comes from the tiny scalpel-like spine at the base of the fish's tail. They use this spine as defense and will extend the spine if threatened. You may witness the tang shimmying up against another tang or fish; this is a sign of aggression as they may be using this spine to ward off the other fish. Always use caution when handling or netting a tang since this spine can become caught or cause injuries. Tangs and Surgeonfish are omnivores but a large part of the diet of most species consists of algae and plant matter. Tangs should also be given some meaty food to round out their diet. However, tangs that are fed primarily meaty foods over a long period of time are more likely to suffer from head and lateral line erosion (HLLE). HLLE disease in the short run is not fatal, but over time if the disease continues to progress the fish will stop eating and become lethargic and susceptible to other infections which may eventually contribute to its demise. The best treatment is prevention; maintain excellent water quality and feed a rich and varied diet. Supplementing with a multivitamin (A, D, E, B complex, and Iodine) may also help prevent further erosion. Tangs are generally community fish and get along with most other tankmates. Most do not bother corals and can actually help keep nuisance algae trimmed and under control, especially "Bristletooth Tangs" from the Ctenochaetus genus. Tangs may get territorial and aggressive towards similar tangs, so always use caution when keeping these fish together or with other fish that have a similar body shape or coloration. Visit That Fish Blog for more information on Tangs and Surgeonfish and other aquarium-related topics from our marine biologists and aquatic staff. This is a Restricted item and is not covered by our Arrive Alive 5-Day Guarantee. Please visit the Guarantee Policy and Restricted Species webpages for more information.

Acanthurus nigricans Powder Grey Tang - Small $59.99 The Powder Grey Tang ( Acanthurus nigricans ) is also known as the Goldrim Tang or the Whitecheek Tang. It is also sometimes incorrectly classified as A. glaucopareius , a former name and junior synonym. The Powder Grey Tang has a brownish-grey body with a white tail and a white blotch below each eye.The dorsal and anal fins are very dark brown-black with yellow along the base. The base of the tail matches the body color and the spine in its middle is yellow. There is also a yellow vertical stripe through the tail. The very similar Powder Brown Tang ( A. japonicus ) has an orange patch in the dorsal fin and yellow through the base of the tail which is abscent in the Powder Grey Tang. Tangs and Surgeonfish are some of the most popular and common fish found in the aquarium trade. This group includes several genuses that can be associated with the various common name groups although "Surgeonfish" and "Tang" are often used interchangeably: Acanthurus ("Surgeonfish"), Naso ("Unicorn Tangs"), Ctenochaetus ("Bristletooth Tangs") and Zebrasoma ("Tangs"). They are found in almost every tropical oceans and in almost every color and pattern. The common names ?? 1/2surgeonfish?? 1/2 or "doctorfish" comes from the tiny scalpel-like spine at the base of the fish's tail. They use this spine as defense and will extend the spine if threatened. You may witness the tang shimmying up against another tang or fish; this is a sign of aggression as they may be using this spine to ward off the other fish. Always use caution when handling or netting a tang since this spine can become caught or cause injuries. Tangs and Surgeonfish are omnivores but a large part of the diet of most species consists of algae and plant matter. Tangs should also be given some meaty food to round out their diet. However, tangs that are fed primarily meaty foods over a long period of time are more likely to suffer from head and lateral line erosion (HLLE). HLLE disease in the short run is not fatal, but over time if the disease continues to progress the fish will stop eating and become lethargic and susceptible to other infections which may eventually contribute to its demise. The best treatment is prevention; maintain excellent water quality and feed a rich and varied diet. Supplementing with a multivitamin (A, D, E, B complex, and Iodine) may also help prevent further erosion. Tangs are generally community fish and get along with most other tankmates. Most do not bother corals and can actually help keep nuisance algae trimmed and under control, especially "Bristletooth Tangs" from the Ctenochaetus genus. Tangs may get territorial and aggressive towards similar tangs, so always use caution when keeping these fish together or with other fish that have a similar body shape or coloration. Visit That Fish Blog for more information on Tangs and Surgeonfish and other aquarium-related topics from our marine biologists and aquatic staff.

Acanthurus nigricans Powder Grey Tang - Medium $79.99 The Powder Grey Tang ( Acanthurus nigricans ) is also known as the Goldrim Tang or the Whitecheek Tang. It is also sometimes incorrectly classified as A. glaucopareius , a former name and junior synonym. The Powder Grey Tang has a brownish-grey body with a white tail and a white blotch below each eye.The dorsal and anal fins are very dark brown-black with yellow along the base. The base of the tail matches the body color and the spine in its middle is yellow. There is also a yellow vertical stripe through the tail. The very similar Powder Brown Tang ( A. japonicus ) has an orange patch in the dorsal fin and yellow through the base of the tail which is abscent in the Powder Grey Tang. Tangs and Surgeonfish are some of the most popular and common fish found in the aquarium trade. This group includes several genuses that can be associated with the various common name groups although "Surgeonfish" and "Tang" are often used interchangeably: Acanthurus ("Surgeonfish"), Naso ("Unicorn Tangs"), Ctenochaetus ("Bristletooth Tangs") and Zebrasoma ("Tangs"). They are found in almost every tropical oceans and in almost every color and pattern. The common names ?? 1/2surgeonfish?? 1/2 or "doctorfish" comes from the tiny scalpel-like spine at the base of the fish's tail. They use this spine as defense and will extend the spine if threatened. You may witness the tang shimmying up against another tang or fish; this is a sign of aggression as they may be using this spine to ward off the other fish. Always use caution when handling or netting a tang since this spine can become caught or cause injuries. Tangs and Surgeonfish are omnivores but a large part of the diet of most species consists of algae and plant matter. Tangs should also be given some meaty food to round out their diet. However, tangs that are fed primarily meaty foods over a long period of time are more likely to suffer from head and lateral line erosion (HLLE). HLLE disease in the short run is not fatal, but over time if the disease continues to progress the fish will stop eating and become lethargic and susceptible to other infections which may eventually contribute to its demise. The best treatment is prevention; maintain excellent water quality and feed a rich and varied diet. Supplementing with a multivitamin (A, D, E, B complex, and Iodine) may also help prevent further erosion. Tangs are generally community fish and get along with most other tankmates. Most do not bother corals and can actually help keep nuisance algae trimmed and under control, especially "Bristletooth Tangs" from the Ctenochaetus genus. Tangs may get territorial and aggressive towards similar tangs, so always use caution when keeping these fish together or with other fish that have a similar body shape or coloration. Visit That Fish Blog for more information on Tangs and Surgeonfish and other aquarium-related topics from our marine biologists and aquatic staff.

Acanthurus leucosternon Powder Blue Tang - Small $69.99 The Powder Blue Tang ( Acanthurus leucosternon ) gets its name from its light blue body color. The head is black and the dorsal fin and base of the tail are yellow. The chest area underneath the mouth is white and the tail is also white with black on the edge and base. Tangs and Surgeonfish are some of the most popular and common fish found in the aquarium trade. This group includes several genuses that can be associated with the various common name groups although "Surgeonfish" and "Tang" are often used interchangeably: Acanthurus ("Surgeonfish"), Naso ("Unicorn Tangs"), Ctenochaetus ("Bristletooth Tangs") and Zebrasoma ("Tangs"). They are found in almost every tropical oceans and in almost every color and pattern. The common names ?? 1/2surgeonfish?? 1/2 or "doctorfish" comes from the tiny scalpel-like spine at the base of the fish's tail. They use this spine as defense and will extend the spine if threatened. You may witness the tang shimmying up against another tang or fish; this is a sign of aggression as they may be using this spine to ward off the other fish. Always use caution when handling or netting a tang since this spine can become caught or cause injuries. Tangs and Surgeonfish are omnivores but a large part of the diet of most species consists of algae and plant matter. Tangs should also be given some meaty food to round out their diet. However, tangs that are fed primarily meaty foods over a long period of time are more likely to suffer from head and lateral line erosion (HLLE). HLLE disease in the short run is not fatal, but over time if the disease continues to progress the fish will stop eating and become lethargic and susceptible to other infections which may eventually contribute to its demise. The best treatment is prevention; maintain excellent water quality and feed a rich and varied diet. Supplementing with a multivitamin (A, D, E, B complex, and Iodine) may also help prevent further erosion. Tangs are generally community fish and get along with most other tankmates. Most do not bother corals and can actually help keep nuisance algae trimmed and under control, especially "Bristletooth Tangs" from the Ctenochaetus genus. Tangs may get territorial and aggressive towards similar tangs, so always use caution when keeping these fish together or with other fish that have a similar body shape or coloration. Visit That Fish Blog for more information on Tangs and Surgeonfish and other aquarium-related topics from our marine biologists and aquatic staff. This is a Restricted item and is not covered by our Arrive Alive 5-Day Guarantee. Please visit the Guarantee Policy and Restricted Species webpages for more information.

Acanthurus leucosternon Powder Blue Tang - Medium/Large $89.99 The Powder Blue Tang ( Acanthurus leucosternon ) gets its name from its light blue body color. The head is black and the dorsal fin and base of the tail are yellow. The chest area underneath the mouth is white and the tail is also white with black on the edge and base. Tangs and Surgeonfish are some of the most popular and common fish found in the aquarium trade. This group includes several genuses that can be associated with the various common name groups although "Surgeonfish" and "Tang" are often used interchangeably: Acanthurus ("Surgeonfish"), Naso ("Unicorn Tangs"), Ctenochaetus ("Bristletooth Tangs") and Zebrasoma ("Tangs"). They are found in almost every tropical oceans and in almost every color and pattern. The common names ?? 1/2surgeonfish?? 1/2 or "doctorfish" comes from the tiny scalpel-like spine at the base of the fish's tail. They use this spine as defense and will extend the spine if threatened. You may witness the tang shimmying up against another tang or fish; this is a sign of aggression as they may be using this spine to ward off the other fish. Always use caution when handling or netting a tang since this spine can become caught or cause injuries. Tangs and Surgeonfish are omnivores but a large part of the diet of most species consists of algae and plant matter. Tangs should also be given some meaty food to round out their diet. However, tangs that are fed primarily meaty foods over a long period of time are more likely to suffer from head and lateral line erosion (HLLE). HLLE disease in the short run is not fatal, but over time if the disease continues to progress the fish will stop eating and become lethargic and susceptible to other infections which may eventually contribute to its demise. The best treatment is prevention; maintain excellent water quality and feed a rich and varied diet. Supplementing with a multivitamin (A, D, E, B complex, and Iodine) may also help prevent further erosion. Tangs are generally community fish and get along with most other tankmates. Most do not bother corals and can actually help keep nuisance algae trimmed and under control, especially "Bristletooth Tangs" from the Ctenochaetus genus. Tangs may get territorial and aggressive towards similar tangs, so always use caution when keeping these fish together or with other fish that have a similar body shape or coloration. Visit That Fish Blog for more information on Tangs and Surgeonfish and other aquarium-related topics from our marine biologists and aquatic staff. This is a Restricted item and is not covered by our Arrive Alive 5-Day Guarantee. Please visit the Guarantee Policy and Restricted Species webpages for more information.

Acanthurus leucosternon Powder Blue Tang - Large $104.99 The Powder Blue Tang ( Acanthurus leucosternon ) gets its name from its light blue body color. The head is black and the dorsal fin and base of the tail are yellow. The chest area underneath the mouth is white and the tail is also white with black on the edge and base. Tangs and Surgeonfish are some of the most popular and common fish found in the aquarium trade. This group includes several genuses that can be associated with the various common name groups although "Surgeonfish" and "Tang" are often used interchangeably: Acanthurus ("Surgeonfish"), Naso ("Unicorn Tangs"), Ctenochaetus ("Bristletooth Tangs") and Zebrasoma ("Tangs"). They are found in almost every tropical oceans and in almost every color and pattern. The common names ?? 1/2surgeonfish?? 1/2 or "doctorfish" comes from the tiny scalpel-like spine at the base of the fish's tail. They use this spine as defense and will extend the spine if threatened. You may witness the tang shimmying up against another tang or fish; this is a sign of aggression as they may be using this spine to ward off the other fish. Always use caution when handling or netting a tang since this spine can become caught or cause injuries. Tangs and Surgeonfish are omnivores but a large part of the diet of most species consists of algae and plant matter. Tangs should also be given some meaty food to round out their diet. However, tangs that are fed primarily meaty foods over a long period of time are more likely to suffer from head and lateral line erosion (HLLE). HLLE disease in the short run is not fatal, but over time if the disease continues to progress the fish will stop eating and become lethargic and susceptible to other infections which may eventually contribute to its demise. The best treatment is prevention; maintain excellent water quality and feed a rich and varied diet. Supplementing with a multivitamin (A, D, E, B complex, and Iodine) may also help prevent further erosion. Tangs are generally community fish and get along with most other tankmates. Most do not bother corals and can actually help keep nuisance algae trimmed and under control, especially "Bristletooth Tangs" from the Ctenochaetus genus. Tangs may get territorial and aggressive towards similar tangs, so always use caution when keeping these fish together or with other fish that have a similar body shape or coloration. Visit That Fish Blog for more information on Tangs and Surgeonfish and other aquarium-related topics from our marine biologists and aquatic staff. This is a Restricted item and is not covered by our Arrive Alive 5-Day Guarantee. Please visit the Guarantee Policy and Restricted Species webpages for more information.

Tetraodon biocellatus Figure Eight Puffer $12.99 The Figure Eight Puffer is found primarily in freshwater and brackish areas throughout its native range. In spite of this, the Figure Eight Puffer actually does best in mildly brackish water when kept in captivity. Figure Eight Puffers are normally brownish on the dorsal side, and have irregular dark blotches that are edged in yellowish green. Two of these blotches just before the dorsal fin usually make the shape of a figure-eight. The fins are rounded, and the belly is white. Like other puffers, these fish are territorial, and should be kept with only hardy community fish that are larger than them if not kept in a tank of only puffers. They are nippy, and will often damage the fins of their tankmates. Figure Eight Puffers eat snails and will crush the shell to get to the meat inside. They will also meaty frozen foods like brine shrimp, bloodworms, some formulas and pellets, along with live ghost shrimp as an occasional treat.

Acanthurus triostegus Convict Tang - Medium $54.99 The Convict Tang ( Acanthurus triostegus ) has a creamy white body with 5-6 dark, thin vertical bars. They can be territorial and will not tolerate other Convict tangs or similar species Tangs and Surgeonfish are some of the most popular and common fish found in the aquarium trade. This group includes several genuses that can be associated with the various common name groups although "Surgeonfish" and "Tang" are often used interchangeably: Acanthurus ("Surgeonfish"), Naso ("Unicorn Tangs"), Ctenochaetus ("Bristletooth Tangs") and Zebrasoma ("Tangs"). They are found in almost every tropical oceans and in almost every color and pattern. The common names ?? 1/2surgeonfish?? 1/2 or "doctorfish" comes from the tiny scalpel-like spine at the base of the fish's tail. They use this spine as defense and will extend the spine if threatened. You may witness the tang shimmying up against another tang or fish; this is a sign of aggression as they may be using this spine to ward off the other fish. Always use caution when handling or netting a tang since this spine can become caught or cause injuries. Tangs and Surgeonfish are omnivores but a large part of the diet of most species consists of algae and plant matter. Tangs should also be given some meaty food to round out their diet. However, tangs that are fed primarily meaty foods over a long period of time are more likely to suffer from head and lateral line erosion (HLLE). HLLE disease in the short run is not fatal, but over time if the disease continues to progress the fish will stop eating and become lethargic and susceptible to other infections which may eventually contribute to its demise. The best treatment is prevention; maintain excellent water quality and feed a rich and varied diet. Supplementing with a multivitamin (A, D, E, B complex, and Iodine) may also help prevent further erosion. Tangs are generally community fish and get along with most other tankmates. Most do not bother corals and can actually help keep nuisance algae trimmed and under control, especially "Bristletooth Tangs" from the Ctenochaetus genus. Tangs may get territorial and aggressive towards similar tangs, so always use caution when keeping these fish together or with other fish that have a similar body shape or coloration. Visit That Fish Blog for more information on Tangs and Surgeonfish and other aquarium-related topics from our marine biologists and aquatic staff.

Zebrasoma desjardinii Red Sea Sailfin Tang - Small/Medium $89.99 The Red Sea Sailfin Tang ( Zebrasoma desjardinii ) closely resembles but has a slightly differently coloration than its Pacific cousin, Z. veliferum . It has white and gray-brown vertical bars that are decorated with orange lines and dots on the belly. There are also dots on the tail, face, and gill area. The most notable feature is the high, grey-banded, sail-like dorsal fin. The tail is dark with light spots, the most discernable feature from their Pacific cousins who have striped tails. Juveniles may have a considerable amount of yellow coloration. This species is found primarily in the Red Sea but can be found in a few other areas of the Indian Ocean as well. Tangs and Surgeonfish are some of the most popular and common fish found in the aquarium trade. This group includes several genuses that can be associated with the various common name groups although "Surgeonfish" and "Tang" are often used interchangeably: Acanthurus ("Surgeonfish"), Naso ("Unicorn Tangs"), Ctenochaetus ("Bristletooth Tangs") and Zebrasoma ("Tangs"). They are found in almost every tropical oceans and in almost every color and pattern. The common names ?? 1/2surgeonfish?? 1/2 or "doctorfish" comes from the tiny scalpel-like spine at the base of the fish's tail. They use this spine as defense and will extend the spine if threatened. You may witness the tang shimmying up against another tang or fish; this is a sign of aggression as they may be using this spine to ward off the other fish. Always use caution when handling or netting a tang since this spine can become caught or cause injuries. Tangs and Surgeonfish are omnivores but a large part of the diet of most species consists of algae and plant matter. Tangs should also be given some meaty food to round out their diet. However, tangs that are fed primarily meaty foods over a long period of time are more likely to suffer from head and lateral line erosion (HLLE). HLLE disease in the short run is not fatal, but over time if the disease continues to progress the fish will stop eating and become lethargic and susceptible to other infections which may eventually contribute to its demise. The best treatment is prevention; maintain excellent water quality and feed a rich and varied diet. Supplementing with a multivitamin (A, D, E, B complex, and Iodine) may also help prevent further erosion. Tangs are generally community fish and get along with most other tankmates. Most do not bother corals and can actually help keep nuisance algae trimmed and under control, especially "Bristletooth Tangs" from the Ctenochaetus genus. Tangs may get territorial and aggressive towards similar tangs, so always use caution when keeping these fish together or with other fish that have a similar body shape or coloration. Visit That Fish Blog for more information on Tangs and Surgeonfish and other aquarium-related topics from our marine biologists and aquatic staff.

Zebrasoma desjardinii Red Sea Sailfin Tang - Medium $119.99 The Red Sea Sailfin Tang ( Zebrasoma desjardinii ) closely resembles but has a slightly differently coloration than its Pacific cousin, Z. veliferum . It has white and gray-brown vertical bars that are decorated with orange lines and dots on the belly. There are also dots on the tail, face, and gill area. The most notable feature is the high, grey-banded, sail-like dorsal fin. The tail is dark with light spots, the most discernable feature from their Pacific cousins who have striped tails. Juveniles may have a considerable amount of yellow coloration. This species is found primarily in the Red Sea but can be found in a few other areas of the Indian Ocean as well. Tangs and Surgeonfish are some of the most popular and common fish found in the aquarium trade. This group includes several genuses that can be associated with the various common name groups although "Surgeonfish" and "Tang" are often used interchangeably: Acanthurus ("Surgeonfish"), Naso ("Unicorn Tangs"), Ctenochaetus ("Bristletooth Tangs") and Zebrasoma ("Tangs"). They are found in almost every tropical oceans and in almost every color and pattern. The common names ?? 1/2surgeonfish?? 1/2 or "doctorfish" comes from the tiny scalpel-like spine at the base of the fish's tail. They use this spine as defense and will extend the spine if threatened. You may witness the tang shimmying up against another tang or fish; this is a sign of aggression as they may be using this spine to ward off the other fish. Always use caution when handling or netting a tang since this spine can become caught or cause injuries. Tangs and Surgeonfish are omnivores but a large part of the diet of most species consists of algae and plant matter. Tangs should also be given some meaty food to round out their diet. However, tangs that are fed primarily meaty foods over a long period of time are more likely to suffer from head and lateral line erosion (HLLE). HLLE disease in the short run is not fatal, but over time if the disease continues to progress the fish will stop eating and become lethargic and susceptible to other infections which may eventually contribute to its demise. The best treatment is prevention; maintain excellent water quality and feed a rich and varied diet. Supplementing with a multivitamin (A, D, E, B complex, and Iodine) may also help prevent further erosion. Tangs are generally community fish and get along with most other tankmates. Most do not bother corals and can actually help keep nuisance algae trimmed and under control, especially "Bristletooth Tangs" from the Ctenochaetus genus. Tangs may get territorial and aggressive towards similar tangs, so always use caution when keeping these fish together or with other fish that have a similar body shape or coloration. Visit That Fish Blog for more information on Tangs and Surgeonfish and other aquarium-related topics from our marine biologists and aquatic staff.

Acanthurus tennenti Tennent's Tang - Large $119.99 Tennent's Tang ( Acanthurus tennenti ) is suitable for reef and community aquariums. This tang has a grey body with a white-margined tail. Mature adults will have a blue-edged black oval marking around their caudal spine, and a pair of black markings behind the eye. It is also referred to as the Double-barred Surgeonfish for these two markings. Tangs and Surgeonfish are some of the most popular and common fish found in the aquarium trade. This group includes several genuses that can be associated with the various common name groups although "Surgeonfish" and "Tang" are often used interchangeably: Acanthurus ("Surgeonfish"), Naso ("Unicorn Tangs"), Ctenochaetus ("Bristletooth Tangs") and Zebrasoma ("Tangs"). They are found in almost every tropical oceans and in almost every color and pattern. The common names ?? 1/2surgeonfish?? 1/2 or "doctorfish" comes from the tiny scalpel-like spine at the base of the fish's tail. They use this spine as defense and will extend the spine if threatened. You may witness the tang shimmying up against another tang or fish; this is a sign of aggression as they may be using this spine to ward off the other fish. Always use caution when handling or netting a tang since this spine can become caught or cause injuries. Tangs and Surgeonfish are omnivores but a large part of the diet of most species consists of algae and plant matter. Tangs should also be given some meaty food to round out their diet. However, tangs that are fed primarily meaty foods over a long period of time are more likely to suffer from head and lateral line erosion (HLLE). HLLE disease in the short run is not fatal, but over time if the disease continues to progress the fish will stop eating and become lethargic and susceptible to other infections which may eventually contribute to its demise. The best treatment is prevention; maintain excellent water quality and feed a rich and varied diet. Supplementing with a multivitamin (A, D, E, B complex, and Iodine) may also help prevent further erosion. Tangs are generally community fish and get along with most other tankmates. Most do not bother corals and can actually help keep nuisance algae trimmed and under control, especially "Bristletooth Tangs" from the Ctenochaetus genus. Tangs may get territorial and aggressive towards similar tangs, so always use caution when keeping these fish together or with other fish that have a similar body shape or coloration. Visit That Fish Blog for more information on Tangs and Surgeonfish and other aquarium-related topics from our marine biologists and aquatic staff.

Acanthurus triostegus Convict Tang - Small $39.99 The Convict Tang ( Acanthurus triostegus ) has a creamy white body with 5-6 dark, thin vertical bars. They can be territorial and will not tolerate other Convict tangs or similar species Tangs and Surgeonfish are some of the most popular and common fish found in the aquarium trade. This group includes several genuses that can be associated with the various common name groups although "Surgeonfish" and "Tang" are often used interchangeably: Acanthurus ("Surgeonfish"), Naso ("Unicorn Tangs"), Ctenochaetus ("Bristletooth Tangs") and Zebrasoma ("Tangs"). They are found in almost every tropical oceans and in almost every color and pattern. The common names ?? 1/2surgeonfish?? 1/2 or "doctorfish" comes from the tiny scalpel-like spine at the base of the fish's tail. They use this spine as defense and will extend the spine if threatened. You may witness the tang shimmying up against another tang or fish; this is a sign of aggression as they may be using this spine to ward off the other fish. Always use caution when handling or netting a tang since this spine can become caught or cause injuries. Tangs and Surgeonfish are omnivores but a large part of the diet of most species consists of algae and plant matter. Tangs should also be given some meaty food to round out their diet. However, tangs that are fed primarily meaty foods over a long period of time are more likely to suffer from head and lateral line erosion (HLLE). HLLE disease in the short run is not fatal, but over time if the disease continues to progress the fish will stop eating and become lethargic and susceptible to other infections which may eventually contribute to its demise. The best treatment is prevention; maintain excellent water quality and feed a rich and varied diet. Supplementing with a multivitamin (A, D, E, B complex, and Iodine) may also help prevent further erosion. Tangs are generally community fish and get along with most other tankmates. Most do not bother corals and can actually help keep nuisance algae trimmed and under control, especially "Bristletooth Tangs" from the Ctenochaetus genus. Tangs may get territorial and aggressive towards similar tangs, so always use caution when keeping these fish together or with other fish that have a similar body shape or coloration. Visit That Fish Blog for more information on Tangs and Surgeonfish and other aquarium-related topics from our marine biologists and aquatic staff.

Zebrasoma desjardinii Red Sea Sailfin Tang - Small $69.99 The Red Sea Sailfin Tang ( Zebrasoma desjardinii ) closely resembles but has a slightly differently coloration than its Pacific cousin, Z. veliferum . It has white and gray-brown vertical bars that are decorated with orange lines and dots on the belly. There are also dots on the tail, face, and gill area. The most notable feature is the high, grey-banded, sail-like dorsal fin. The tail is dark with light spots, the most discernable feature from their Pacific cousins who have striped tails. Juveniles may have a considerable amount of yellow coloration. This species is found primarily in the Red Sea but can be found in a few other areas of the Indian Ocean as well. Tangs and Surgeonfish are some of the most popular and common fish found in the aquarium trade. This group includes several genuses that can be associated with the various common name groups although "Surgeonfish" and "Tang" are often used interchangeably: Acanthurus ("Surgeonfish"), Naso ("Unicorn Tangs"), Ctenochaetus ("Bristletooth Tangs") and Zebrasoma ("Tangs"). They are found in almost every tropical oceans and in almost every color and pattern. The common names ?? 1/2surgeonfish?? 1/2 or "doctorfish" comes from the tiny scalpel-like spine at the base of the fish's tail. They use this spine as defense and will extend the spine if threatened. You may witness the tang shimmying up against another tang or fish; this is a sign of aggression as they may be using this spine to ward off the other fish. Always use caution when handling or netting a tang since this spine can become caught or cause injuries. Tangs and Surgeonfish are omnivores but a large part of the diet of most species consists of algae and plant matter. Tangs should also be given some meaty food to round out their diet. However, tangs that are fed primarily meaty foods over a long period of time are more likely to suffer from head and lateral line erosion (HLLE). HLLE disease in the short run is not fatal, but over time if the disease continues to progress the fish will stop eating and become lethargic and susceptible to other infections which may eventually contribute to its demise. The best treatment is prevention; maintain excellent water quality and feed a rich and varied diet. Supplementing with a multivitamin (A, D, E, B complex, and Iodine) may also help prevent further erosion. Tangs are generally community fish and get along with most other tankmates. Most do not bother corals and can actually help keep nuisance algae trimmed and under control, especially "Bristletooth Tangs" from the Ctenochaetus genus. Tangs may get territorial and aggressive towards similar tangs, so always use caution when keeping these fish together or with other fish that have a similar body shape or coloration. Visit That Fish Blog for more information on Tangs and Surgeonfish and other aquarium-related topics from our marine biologists and aquatic staff.