Koi are one of the most popular types of pond fish. Their bodies, which are long and powerful, are very similar to that of the wild carp.

Anglerfish are a family of predatory fish consisting of over 200 separate species. They are characterized by their rod-like growths called illicium.

Gourami are a relatively hardy species of freshwater aquarium fish and are thus suitable for most intermediate aquarists. Square shaped, compressed body.

Dottyback are a family of small saltwater fish made up of over 100 distinct species. They are hardy, intelligent and vibrantly colored, making them popular

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.

Flagfish are a small fish that are semi-aggressive in nature. These fish may not do well if multiple males of the same species are kept together.

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

Freshwater sharks are a group of freshwater fish belonging to the minnow family. Freshwater sharks have long, powerful bodies and large dorsal fins,

Cardinalfish are a large family of saltwater fish made up of over 200 sub-species. Most species are extremely colorful and are a couple of inches in length.

Freshwater hatchetfish are a type of ray-finned fishes belonging to the family Gasteropelecidae. There are three genera, with nine different species.

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

Wrasse are large family of saltwater fish made up of over 600 different species. They are also one of the most popular species of marine aquarium fish.

Butterflyfish are a family of saltwater fish made up of over 100 distinct species. They resemble angelfish and have compressed, disk shaped bodies.

Clownfish are the most popular species of fish amongst saltwater aquarium enthusiasts. They are characterized by their beautiful colorations..

The glass fish is a fascinating species of aquarium fish. Its most astounding feature is its transparent body which reveals its bones and internal organs.

Saltwater sharks are some of the most majestic and most dangerous species kept in the aquarium hobby. They are only recommended for advanced hobbyists.

The Tigerfish is a type of freshwater fish belonging to the genus Datnioides (Datnoids). It''s named for the vertical stripes that run all along its body.

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.

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.

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.

Jawfish are species of saltwater fish very similar in appearance to blennies. They are characterized by their comparatively larger mouths and heads.

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 flounder is also known as a flatfish; a fitting name because its body is laterally compressed and it lays on its side, burrowing into the substrate.

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

Most acara cichlids are somewhat aggressive and territorial and they have a tendency to eat smaller fish. Acaras come in a wide range of colors.

Sweetlips are a species of fish belonging to the grunt family. They are characterized by their big, luscious lips and come in a variety of colorations.

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.

Batfish are a family of marine fish, similar in appearance but unrelated to the angelfish. Juveniles are characterized by their bat-like side profile.

Filefish are a curious species of saltwater fish. They are characterized by their rhomboid shaped bodies, thick, sandpaper-like skin and small, fleshy fins.

Grunts are a family of saltwater fish made up of 150 different sub-species, some of which have been successfully introduced to the aquarium hobby.