Welcome To The Fish Index! We Are Maintaining A Growing Encyclopedia Of Fish Species Listed From A-Z! Choose From Our Categories Or Browse The Fish Featured Along The Sides By Clicking Their Pictures. Each Fish Includes Detailed Information, Pictures, Video And User Comments! With Over 30,000 Different Species In The World, Our Team Of Fish Experts Are Constantly Being Challenged To Discover New Species. Sample "The Fish Of The Day" Or Browse Our Impressive Selection Of Aquarium Fish!
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The Bearded Catfish or Scleromystax barbatus is a freshwater subtropical catfish from the Callichthyidae family. This fish was first discovered in the coastal drainage in Brazil. It has since found its way into the aquarium trade, and like other catfish it is a very hardy addition to any community tank. Also known as the Banded Corydoras this fish can grow up to 4" (10cm) in length. The follow water condition are ideal for this species, 6.0–8.0 pH, a water hardness of 2–25 dGH, and a temperature of 83 °F (28 °C). A 20 gallon or more tank is well suited for these fish with plenty of hiding spaces. You can check out the Bearded Catfish in action in the video below...
If you have any additional information about the Bearded Catfish please leave us a comment below.
The Adolfo's catfish or Corydoras adolfoi is a species of freshwater fish that often makes its way in the aquarium trade. This tropical catfish is not very large, only growing to lengths of about 2.2" (5.7cm). They are part of the Callichthyidae family, and first originated in South America, specifically Brazil. They have a silver body with a black band near the base of the caudal fin and over the eye.
One of the reasons they are so popular in the aquarium trade is their ability to breed in captivity. Simply provide them with a plant or stone for them to attach their eggs to and wait. It only takes about 4 days after the eggs are laid for the fry to hatch. Like other species of Catfish, they are also good at keeping the bottom of the tank clean. This fish are sometimes called Adolfo's Cory and require a 25 gallon tank with the following water conditions, 70-79F, 6.0-7.5ph. They are a peaceful community fish that is considered to be very easy to take care of. You can check out the Adolfo's Catfish in an aquarium in the video below.
If you have any additional information about the Adolfo's Catfish please leave us a comment below.
The Penguin Fish or Thayeria boehlkei is just one of the many different species of Tetra fish. Tetras are from the Characidae family, and can be distinguished from other fish by the presence of a small adipose fin between the dorsal and caudal fins. They all originate in the tropical freshwaters of the Africa, Central America and South America.
Penguin Fish go by a few different names including Blackline Penguinfish, Blackline Thayeria, Hockey-Stick Tetra, and Penguin Tetra. These fish are small, only growing to about 3" in length. They are the perfect starter fish, able to survive in the following water conditions, 64-82° F, KH 4-8 and pH 5.8-8.5. Penguin Fish work well in a group of six or more, and are great for a community fish tank. They will accept a variety of foods, and are very eager feeders making them one of the easiest freshwater aquarium fish to care for. Providing them with live plants and plenty of hiding spaces will keep them happy, and stress free. You can see how the Penguin Fish would look swimming in your tank in the video below.
It is possible to breed Penguin Fish in an aquarium setting. Slightly acidic water is said to help encourage the breeding process. The female's belly will grow larger and she will eventually lay her eggs. It only takes about 15 hours for the eggs to hatch, and then the baby fry should be separated from their parents or risk being eaten.
If you have any additional information about the Penguin Fish please leave us a comment below.
The Emerald Eye Rasbora or Rasbora dorsiocellata is a small freshwater fish that does well in community aquariums. This species of Rasbora only grows to about 2-1/2" (6cm), so this little guy only requires an aquarium of 10 gallons or more with the following water conditions, 73-79° F, KH 3-7 and pH 6.0-7.5.
The Emerald Eye Rasbora goes by a few different names including the Ocellated Rasbora, Hi-spot Rasbora, and Eyespot Rasbora. This species originates from inside Asia, and can be identified by its dorsal fin, which is yellow with a black spot near the center.
If you are thinking of buying a Emerald Eye Rasbora for your aquarium you might want to consider picking up a few. They do very well in schools and are an inexpensive fish, normally under $5. An aquarium with plenty of plants and space for swimming will work best. They are omnivores that can be fed bloodworms, tubifex and flake food as well. You can check out the Emerald Eye Rasbora in the aquarium below...
If you have any questions about the Emerald Eye Rasbora or aquatic tips leave us a comment below!
The Dalmatian Molly or Poecilia latipinna is also known as the Marbled Molly and has the ability to survive in freshwater or saltwater. This species of Molly is a hybrid version of the Sailfin Molly which has the same scientific name. As you can imagine, this hybrid version is black and white, much like a Dalmatian Dog.
The Dalmatian Molly is a fairly hardy and inexpensive fish to house in an aquarium. They only grow to about 5" in maximum length, so an aquarium of about 30 gallons or more should do the trick. The following water conditions in an tank with lots of plants are recommended, 68-82° F, KH 10-25, pH 7.0-7.8. This aquarium fish in an omnivore that should be fed a variety of food including, bloodworms, tubifex, brine shrimp and flake food. They work very well in a community tank with other peaceful fish. You can check out this fish in action in the video below...
These fish can be bred in an aquarium fairly easily. Dalmatian Molly fish give birth to live fry about every two months or so under the right conditions. They normally product 12 or more young that are quite large, almost 1/2" long!
If you have any additional tips for the Dalmatian Molly please leave us a comment below.
The Zebra Danio or Danio rerio is a brightly colored, inexpensive aquarium fish that is very easy to care for. This freshwater fish gets its name from the striped pattern that graces its body. These stripes are normally blue or purple with their bodies a silver or gold coloration. They can be kept in schools and are very active in an aquarium setting. An aquarium of only 10 gallons is acceptable, because these fish will only grow to about 3" in maximum length. All of this makes the Zebra Danio a great beginner community fish! You can check out the Zebra Danio spawning in the video below...
In the wild the Zebra Danio is found in Eastern India is freshwater streams or small ponds. The male of this species is almost perfectly cigar shaped with the female having a larger belly.This species of Danio can be bred in an aquarium. The male will normally stay with the same female for its entire life! If you have an aquarium with plants and a temperature of 78F this will encourage breeding. After they lay their eggs it only takes two days before they hatch. The fry can be fed small pieces of Brine Shrimp. As they get older they should be fed a variety of flakes, bloodworms and frozen foods. The following water conditions are acceptable for this fish, 64-75° F, KH 8-12, and pH 6.5-7.0.
The Glowlight Danio or Danio choprai is just one of the over 20 different species of Danio fish. This species is a great beginner aquarium fish. It only needs an aquarium of 10 gallons or more, and is considered to be quite hardy. This freshwater fish works well in community tanks and requires the following water conditions, 73-79° F, KH 8-12, and pH 6.5-7.0. You can see a group Glowlight Danio swimming in the video below...
Glowlight Danio fish have bright colors of blue, green, red, and yellow on their slender bodies. The Glowlight Danio also has stripes and bars that grace this beautiful, yet small body. They only grow to about 1-1/2" in maximum length, so if you are going to buy one, you might as well get a few. These fish are great schoolers and really add something colorful to any aquarium. Glowlight Danio are also much more active when in a school of 6 or more. Make sure your aquarium has plants and hiding spaces for this freshwater aquarium fish.This species of Danio originates from Asia and is normally found in streams and small lakes in the wild. In the aquarium the Glowlight Danios should be fed an omnivore diet that includes, bloodworms, tubiflex, and flake food. When this fish spawns, which is possible in an aquarium setting, it uses the bottom gravel to deposit its eggs on. It only takes about a day and a half before the fry hatch. When they are first born you can feed them very, very small pieces of live food.
If you have any additional information or fish stories about your Glowlight Danio please share in the comments below.
The Scooter Red Blenny or Synchiropus stellatus has the typical elongated Blenny shape with a blotchy red and white coloration throughout their body. The male is normally a bit brighter than the female, and has a larger dorsal fin. This species of Blenny can breed in an aquarium without too much problem, but is considered to be difficult to care for. You can check out the Scooter Red Blenny's mating ritual in the video below...
Also known as the Starry Dragonet and the Stellate Dragonet, this type of salt water fish can be kept in an aquariumof at least 30 gallons. These fish are carnivores that should be fed brine shrimp, bloodworms and glassworms, and small invertebrates. It is also a MUST that they have live rock to graze on and plenty of hiding spots. Be careful, don't put them with too aggressive feeders as they will not compete for their food and may starve to death. Water conditions in the tank should be as follows, 72-78° F, dKH 8-12, pH 8.1-8.4, and sg 1.020-1.025.
If you have any additional care tips for the Scooter Red Blenny from the Callionymidae family please share.