South America: Magdalena River basin in Colombia.
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Géry, J. 1977 Characoids of the world. Neptune City ; Reigate : T.F.H. [etc.]; 672 p. : ill. (chiefly col.) ; 23 cm. (Ref. 598)
http://www.fishbase.org/references/FBRefSummary.php?id=598&speccode=263
