: the species is currently present in 5 of them (endemic, native, introduced);
: possible in 0 of them (stray, questionable);
: absent from 1 of them (extirpated, not established, misidentification, error).
: all reports listed together.
Distribution: South America: Paraná, Paraguay, and Uruguay River basins; Laguna dos Patos drainage, upper Chaparé and Mamoré River basin in Bolivia. Occurrence in the remaining Amazon River highly doubtful.
The map in this page was supported by BioFresh that has received funding from the
European Union's Seventh Programme for research, technological development and demonstration under grant agreement No 226874