South America: estuarine areas of the Atlantic coast.
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Costa, W.J.E.M. 2003 Rivulidae (South American Annual Fishes). p. 526-548. 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. 36579)
http://www.fishbase.org/references/FBRefSummary.php?id=36579&speccode=6244
