Author: Meyer & Espinosa Pérez, 1990
FBname: Olmec priapella
Comments: Inhabits slow to fast-moving water. Mainly carnivorous, feeding on insects, insect larvae, small crustaceans and planktonic invertebrates (Ref. 89993). Found along with <i>Xiphophorus hellerii</i> and <i>Poecilia mexicana</i>. 