The emperor tetra is a fish of the Characidae family that's native to South America. The species is black, purple and silver in color with translucent fins that reach about 1.5 inches in length. More »

www.reference.com Pets & Animals Marine Life Fish

Von Rio tetras are small freshwater fish native to Rio de Janeiro in Brazil and commonly kept in aquariums. They are members of the family Characidae and the species Hyphessobrycon flammeus. Von Rio tetras are also known... More »

www.reference.com Pets & Animals Marine Life Fish

The type of tetras that are kept as pets, including the bleeding heart, black line, serpa and lemon tetra, are generally undemanding. They can probably live in a fish bowl, but they should not. More »

The red/blue Colombian tetra is a member of the Charicidae family native to South America. Its peaceful temperament and reflective body with a bright red tail make the species a favorite of beginning and expert aquarium ... More »

www.reference.com Pets & Animals Marine Life Fish

The bucktooth tetra is a freshwater fish of the characin family. It is notable for its bright red dorsal fin and two distinct black spots on its body. More »

www.reference.com Pets & Animals Marine Life Fish

Tetra GloFish are patented, genetically modified fish of the species Gymnocorymbus ternetzi. They are known as black or white skirt tetras in their natural form. GloFish also come in the species Danio rerio, or zebrafish... More »

www.reference.com Pets & Animals Marine Life Fish

Von Rio tetras are small freshwater fish native to Rio de Janeiro in Brazil and commonly kept in aquariums. They are members of the family Characidae and the species Hyphessobrycon flammeus. Von Rio tetras are also known... More »

www.reference.com Pets & Animals Marine Life Fish