Prefers the current along steep banks and seeks food in the stony crevices.
- Lucinda, P.H.F. 2003 Poeciliidae (Livebearers). p. 555-581. 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, Brazil. (Ref. 50894) http://www.fishbase.org/references/FBRefSummary.php?id=50894&speccode=6215
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