rheophilus, Hyphessobrycon Ohara [W. M.], Teixeira [T. F.], Albornoz-Garzón [J. G.], Mirande [J. M.] & Lima [F. C. T.] 2019:562, Figs. 1-5 [Zootaxa 4712 (no. 4); ref. 37197] Rapids 700 meters downstream Cachoeira de Dardanelos, Rio Aripuanã, Aripuanã, Mato Grosso, Brazil, 10°9'59"S, 59°27'2"’W. Holotype: MZUSP 121508. Paratypes: ANSP, CI-FML, INPA, MCP, MNRJ, MZUSP, ZUEC. Plus additional non-type material. •Valid as Hyphessobrycon rheophilus Ohara, Teixeira, Albornoz-Garzón, Mirande & Lima 2019. Current status: Valid as Hyphessobrycon rheophilus Ohara, Teixeira, Albornoz-Garzón, Mirande & Lima 2019. Characidae: Stethaprioninae. Distribution: Rio Aripuanã drainage, Brazil and upper Orinoco and Negro River basins, Venezuela, Colombia and Brazil. Habitat: freshwater.