charrua, Hisonotus Almirón [A. E.], Azpelicueta [M. de las M.], Casciotta [J. R.] & Litz [T.] 2006:87 [Revue Suisse de Zoologie v. 113 (no. 1); ref. 28713] Ríp Uruguay basin, Cañada de Los Peña, 31°39.09'S, 56°12.32'W, Dept. Tacuarembó, Uruguay. Holotype: ZVC-P 5639. Paratypes: Al, MHNG, MTD, ZVC. Type catalog: Nadalin & López 2015:7 [ref. 34112], Loureiro et al. 2016:414 [ref. 35150]. •Valid as Hisonotus charrua Almirón, Azpelicueta, Casciotta & Litz 2006 -- (Azpelicueta & Almirón 2007:596 [ref. 29353], Ferraris 2007:440 [ref. 29155], Chiachio et al. 2008:610 [ref. 30127], Carvalho & Reis 2009:35 [ref. 30193], Koerber 2011:6 [ref. 31122], Garvalho & Reis 2011:21 [ref. 31240], Koerber 2014:9 [ref. 33621], Litz & Koerber 2014:24 [ref. 33622], Roxo et al. 2015:137 [ref. 33763], Mirande & Koerber 2015:41 [ref. 35117], Zawadzki et al. 2016:380 [ref. 34367], Roxo et al. 2016:235 [ref. 34426], Bertaco et al. 2016:418 [ref. 34561], Nión et al. 2016:31 [ref. 35565] with authors as Almirón, Casciotta, Azpelicueta & Litz, Calegari et al. 2017:243 [ref. 35203], Roxo et al. 2018:[12] [ref. 35900], Loureiro et al. 2023:118 [ref. 40506]). Current status: Valid as Hisonotus charrua Almirón, Azpelicueta, Casciotta & Litz 2006. Loricariidae: Hypoptopomatinae. Distribution: South America: La Plata River and Uruguay River basins (Argentina and Uruguay). Habitat: freshwater.