Hemipsilichthys nimius ZBK:
Brazil: Rio de Janeiro State: Parati: Perequê-Açu basin: MCP 33049, holotype, male, 105.1 mm SL; rio Carrasquinho below the Cachoeira do Tobogã at Penha, ca. 7.5 km West of highway BR101, on road from Parati to Cunha. - MCP 31990, paratype, 11, 45.7-98.1 mm SL; collected with the holotype.