Pacu fish are a large family of freshwater fish related to the piranha. While some species look like piranhas, they are herbivores and are peaceful fish.

Tangs are a highly popular species of saltwater aquarium fish. They are characterized by their laterally compressed bodies and scalpel-like spines.

Silver dollars are an extremely popular species of freshwater fish. They get their name from their almost round shaped bodies and silver coloring.

Darters are a type of small freshwater fish similar to perch that can be found in freshwater streams throughout North America.

General description Rabbitfish are a fairly large family of colorful saltwater fish. They are characterized by their rectangular bodies and small, protruding…

Oscars are one of the most popular species of freshwater fish in the aquarium hobby today. They are also a highly intelligent species of fish.

Catfish are a large family of freshwater fish extremely popular in the aquarium trade. Extremely hardy and make for fascinating aquarium specimens.

Also referred to as wreckfish, reef fish, swallowtails and jewelfish, anthias are a large family of saltwater fish of over 200 different sub-species.

The name porkfish is usually used to describe a particular species of grunt that can be found in the tropical regions of the world.

Referred to as breams, sea bream are a group of saltwater fish belonging to the Sparidae family. Most are found in tropical to temperate marine waters.

Killifish are a large family of freshwater fish comprising over a thousand different species. Most species are no more than an inch or two in size.

The Neon tetra is an incredibly beautiful species of tropical freshwater aquarium fish. Neon tetras usually grow up to around 1.2 inches in length.

Mollies are a freshwater fish commonly known as the Molly. They are a hardy species of fish that adapts well to a variety of different water conditions.

The Plecostomus is a type of armored catfish that is found throughout the tropical regions of northeastern South America.

Snakeheads are a species of tropical fish popular among experienced aquarists. They get their name from their flattened shape and the scales on their head.

Also known as the Malayan Angel and fingerfish, the mono is a beautiful species of brackish water fish. Monos are known by their diamond shaped bodies.

African cichlids are considered to be one of the most diverse, intelligent, active and colorful families of freshwater fish in the modern aquarium hobby.

Barbs are a large family of freshwater fish that are a popular choice in the aquarium hobby. Different species of barbs come in a dazzling array of colors.

Lake Victoria cichlids are fairly aggressive fish. These cichlids are some of the most vibrantly colored freshwater fishes in the world.

Tetra are a species of tropical fish extremely popular in the aquarium trade. There are over 150 different species of tetras, most have small bodies.

The foxface rabbitfish is a popular species of saltwater fish belonging to the rabbitfish family. When stressed, they can change to a mottled brown color.

Blennies are a species of marine fish made up of 6 distinct families. They are characteristically small in size and are similar to gobies in appearance.

Triggerfish are a fish comprised of roughly 40 distinct species. They are characterized by their laterally compressed bodies and comparatively large heads.

There are more than 250 species of Lake Tanganyika cichlids that have been identified, in a wide variety of colors and patterns.

Mbuna cichlids are some of the most brightly colored freshwater fishes in the world, exhibiting a wide range of colors and patterns.

The Molly is one of the most popular species of livebearers in aquarium culture. It is a hardy and adaptable species and are great for beginner aquarists.

Also known as argus fish and spotted scats, scats are one of the most popular species of brackish water aquarium fish. They have square shaped bodies.

Basslets are a small family of marine fish. Most species of basslet rarely exceed 4 inches in length and are known for their vibrant colorations.

Compared to other Lake Malawi cichlids, Peacock cichlids are relatively peaceful. They come in a wide variety of bright colors, often in iridescent shades.

Hawkfish are species of saltwater fish closely related to the lionfish. They are characterized by their large heads and somewhat elongated, thick bodies.