Author: (Valenciennes, 1831)
FBname: Biajaca
Remark: Hubbs (1920) presented a nomenclatural revision establishing the present synonymy.
Comments: In fast-flowing rivers as well as in lakes, preferably among plants.  Can be found in brackish river mouths.  Feeds on worms, other small fish, shrimps and water insects  (Ref. 40602).