South America: endemic to Argentina (Ref. 56308).
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Azpelicueta, M. de las M., A. Almirón and J.R. Casciotta 2002 Astyanax paris: a new species from the rÃo Uruguay basin of Argentina (Characiformes, Characidae). Copeia 2002(4):1052-1056. (Ref. 46822)
http://www.fishbase.org/references/FBRefSummary.php?id=46822&speccode=51289
