South America: widespread in the upper portions of río Marañon, río Ucayali, and headwater rivers of río Madeira-Mamoré drainages in Bolivia, Brazil and Peru.
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Bertaco, V.A. and L.R. Malabarba 2010 A review of the Cis-Andean species of Hemibrycon Günther (Teleostei: Characiformes: Characidae: Stevardiinae), with description of two new species. Neotrop. Ichthyol. 8(4):737-770. (Ref. 85819)
http://www.fishbase.org/references/FBRefSummary.php?id=85819&speccode=12362
