Denticetopsis sauli is a species of whale catfish endemic to Venezuela, where it is only known from the Pamoni River in the Casiquiare River basin of the upper Rio Negro system. This species grows to a length of 2.1 cm (0.8 inches). References External links Vari, R.P. and C.J. Ferraris Jr., 2003. Cetopsidae (Whale catfishes). p. 257-260. 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. (Ref. 36486) Cetopsidae Catfish of South America Endemic fauna of Venezuela Fish of Venezuela Fish described in 1996