montanus, Hisonotus Carvalho [T. P.] & Reis [R. E.] 2009:22, Figs. 5D, 6D, 13, 14 [Zootaxa No. 2113; ref. 30193] Rio Rufino on highway SC-427 by the city of Rio Rufino, 27°51'36"S, 49°46'55"W, Rio Canoas drainage, rio Uruguay basin, Santa Catarina, Brazil. Holotype: MCP 42578. Paratypes: ANSP 187475 (4); UFRGS 9597 (3); MCP 22369 (1)41459 (16 + 3 c&s). •Valid as Hisonotus montanus Carvalho & Reis 2009 -- (Garvalho & Reis 2011:35 [ref. 31240], Roxo et al. 2015:138 [ref. 33763], Zawadzki et al. 2016:381 [ref. 34367], Roxo et al. 2016:236 [ref. 34426], Bertaco et al. 2016:418 [ref. 34561], Calegari et al. 2017:244 [ref. 35203], Roxo et al. 2018:[12] [ref. 35900], Dias et al. 2018:583 [ref. 36235]). Current status: Valid as Hisonotus montanus Carvalho & Reis 2009. Loricariidae: Hypoptopomatinae. Distribution: Rio Canoas drainage, upper rio Uruguay basin, Brazil. Habitat: freshwater.