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.

Sometimes referred to as dragonets or mandarinfish, mandarins are small, brightly colored saltwater fish belonging to the Synchiropus genus.

Rasboras are a family of minnow-type freshwater fish characterized by their small bodies and vibrant colorations. They are an extremely peaceful fish.

The species known as surgeonfish belong to the Acanthuridae family. Surgeonfish vary greatly in size from one species to another.

A unique fact about Trunkfish: they secrete a poisonous material from their skin which acts as a chemical defense mechanism against predators.

The species known as frogfish are all members of the family Antennariidae which is sometimes known as the anglerfish family, especially in Australia.

Goldfish are one of the first species of fish to be domesticated and are also one of the most commonly kept aquarium pets. Peaceful and hardy fish breed.

African Tiger Fish are a large and predatory species of fish. Their bodies are powerful and streamlined, enabling them to move with fast bursts of speed.

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.

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

Dragonets are a family of small, vibrantly colored saltwater fish. There are over 130 species of dragonets identified and similar in appearance to gobies.

Dartfish are a family of small, colorful saltwater fish. They are similar in appearance to gobies and are characterized by their long, eel-like bodies.

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.

Gobies are one of the largest families of fish comprised of over 2000 separate species. Most species rarely grow more than a couple of inches in length.

There are nine species of Asian cichlids which can be found in Lebanon, Israel, Syria, Iran, India, and Sri Lanka. These cichlids are mouth brooders.

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

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

Also referred to as Rope Fish, Dragon Fish and Snake Fish, reedfish are a curious species of fish characterized by their long, snake-like bodies.

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.

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.

Danios are a popular species of freshwater fish in the aquarium hobby. They are characterized by two pairs of long barbells that hang from their mouth.

The Moorish idol is closely related to surgeonfish. These fish are characterized by their vertically compressed, disk-like bodies and bold colorations.

Chromis are an extremely popular family of saltwater fish. They are characterized by their slim, oval shaped bodies and bright colorations.

Snappers are generally non-aggressive fish that do well in very large saltwater community tanks. Most live in rocky or coral reefs, and come in many colors.

Betta Splenden fish are one of the hardiest species of freshwater aquarium fish and are an incredibly popular mainstay among hobbyists.

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.

Paradise fish are a colorful species of freshwater fish belonging to the gourami family. They were the first tropical fish to be imported 150 years ago.

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.

Hap cichlids exhibit a wide variety of colorations and patterns ranging from solid blue to multicolored combinations of red, orange, and purple.

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.