South America: Amazon and Orinoco River basins.
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Jégu, M. 2003 Serrasalminae (Pacus and piranhas). p. 182-196. 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. 39031)
http://www.fishbase.org/references/FBRefSummary.php?id=39031&speccode=263
