This species is distributed in the Río Plata basin, in the Paraguay, Middle Paraná, Bermejo, and Uruguay rivers, in the countries of Paraguay, Bolivia, the north/northeast of Argentina, and the west of Uruguay.Ferraris, C. J. Jr. (2007). Checklist of catfishes, recent and fossil (Osteichthyes: Siluriformes), and catalogue of siluriform primary types. Zootaxa 1418:1-628. It is a typical species of the Paraná lower freshwater ecoregion.
