South America: Araguaia-Tocantins River and upper Tapajós River basin, Brazil.
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Moreira, C.R., F.C.T. Lima and W.J.E.M. Costa 2002 Hyphessobrycon moniliger, a new characid fish from rio Tocantins basin, Central Brazil (Ostariophysi: Characiformes). Ichthyol. Explor. Freshwat. 13(1):73-80. (Ref. 42938)
http://www.fishbase.org/references/FBRefSummary.php?id=42938&speccode=59738
