candombe, Hisonotus Casciotta [J. R.], Azpelicueta [M. de las M.], Almirón [A. E.] & Litz [T.] 2006:147, Figs. 1-2 [Spixiana (München) v. 29 (no. 2); ref. 28758] Arroyo Palomas, 31°04.71'S, 57°37.44'W, río Uruguay basin, Departamento Salto, Uruguay. Holotype: ZVC-P 5595. Paratypes: AI 187 (4); MHNG 2662.86 (2); MLP 10462 [ex Al 164] (1); ZSM 32062, not 33062 [ex CTL 539] (3). Type catalog: Neumann 2011:267 [ref. 31652], Nadalin & López 2015:7 [ref. 34112], Loureiro et al. 2016:414 [ref. 35150]. •Valid as Hisonotus candombe Casciotta, Azpelicueta, Almirón & Litz 2006 -- (Azpelicueta & Almirón 2007:596 [ref. 29353], Ferraris 2007:440 [ref. 29155]). •Synonym of Hisonotus ringueleti Aquino, Schaefer & Miquelarena 2001 -- (Carvalho & Reis 2009:31 [ref. 30193], Litz & Koerber 2014:24 [ref. 33622]). Current status: Synonym of Hisonotus ringueleti Aquino, Schaefer & Miquelarena 2001. Loricariidae: Hypoptopomatinae. Distribution: Lower Uruguay River basin, Uruguay. Habitat: freshwater.