INFORMATION Tetra is the normal name of numerous little freshwater characiform fishes. Tetras come from Africa, Central America, and South America, having a place with the natural family Characidae and to its previous subfamilies Alestidae (the "African tetras") and Lebiasinidae. The Characidae are recognized from other fish by the presence of a little fat blade between the dorsal and caudal balances. Large numbers of these, like the neon tetra (Paracheirodon innesi), are brilliantly hued and simple to keep in bondage. Subsequently, they are very famous for home aquaria. Tetra is as of now not an ordered, phylogenetic term. It is short for Tetragonopterus, a sort name in the past applied to large numbers of these fish, which is Greek for "square-finned" (in a real sense, four-sided-wing). Due to the ubiquity of tetras in the fishkeeping leisure activity, numerous random fish are regularly known as tetras, including species from various families. Indeed, even imm...
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