types of serpae tetra
Serpae Tetra. All the different tetra species are small freshwater fishes found in the family Characidae, in the order Characiformes. The Serpae tetra belongs to the genus Hyphessobrycon. Its scientific name is Hyphessobrycon eques, but it is also known as Hyphessobrycon serpae, Hyphessobrycon callistus and several other names. This abundance of names can of course cause some confusion.