Buenos Aries Tetra at Butterfly Creek
Cochu's Blue Tetra at Butterfly Creek
North Prong Medina River
Entre los peces mas comunes de este rio subterráneo
The Characidae, characids or characins are a family of freshwater subtropical and tropical fish, belonging to the order Characiformes. The name "characins" is the historical one, but scientists today tend to prefer "characids" to reflect their status as a by and large monophyletic group at family rank. To arrive there, this family has undergone much systematic and taxonomic change. Among those fishes that remain in the Characidae for the time being are the tetras, comprising the...