Cetopsorhamdia orinoco is a species of three-barbeled catfishes native to the Napo River basin in Ecuador and Orinoco River basin in Venezuela.Bockmann, F.A. and G.M. Guazzelli, 2003. Heptapteridae (Heptapterids). p. 406-431. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre: EDIPUCRS, Brasil. This species reaches a length of SL.
Etymology The fish is named for the Río Orinoco system.
References