rivulatus, Trichomycterus Valenciennes [A.] in Cuvier & Valenciennes 1846:495 [Histoire naturelle des poissons v. 18; ref. 1011] Lake Titicaca, affluent of Apurimac, Guasacona, Peru. Syntypes: MNHN B-0586 (2, poor condition) Río Guasacona. Type catalog: Bertin & Estève 1950:61 [ref. 19575], Ferraris 2007:422 [ref. 29155]. •Valid as Trichomycterus rivulatus Valenciennes 1846 -- (Ortega & Vari 1986:16 [ref. 9708], Burgess 1989:323 [ref. 12860] as rivulatum, Pequeño 1989:41 [ref. 14125], Arratia 1998:354 [ref. 23661], Dyer 2000:84 [ref. 26678] dated 1840, Fernández & Vari 2000:993 [ref. 25017], Fernández 2000:32 [ref. 26195] as rivulatum, de Pinna & Wosiacki in Reis et al. 2003:284 [ref. 27061], Fernádez & Schaefer 2003:357 [ref. 27407], Fernández & Chuquihuamaní 2007:55 [ref. 29320], Ferraris 2007:422 [ref. 29155], DoNascimiento et al. 2014:726 [ref. 33632], Sarmiento et al. 2014:193 [ref. 35004], García-Melo et al. 2016:237 [ref. 34471], Meza-Vargas et al. 2021:24 [ref. 39298] as cf. rivulatus, Koerber et al. 2023:2 [ref. 40368]). Current status: Valid as Trichomycterus rivulatus Valenciennes 1846. Trichomycteridae: Trichomycterinae. Distribution: South America: high altitude lakes and streams in central Andean range (Argentina, Bolivia, Chile and Peru). Habitat: freshwater.