hadrostigma, Crenicichla Lucena [C. A. S. de] 2007:450, Figs. 1-3 [Neotropical Ichthyology v. 5 (no. 4); ref. 29467] Rio Chapecó, on the road Coronel de Freitas-Quilombo, Vila São Miguel, Coronel de Freitas, 26°51'26"S, 52°44'29"W, Santa Catarina, Brazil. Holotype: MCP 40959. Paratypes: [not 31] MCP 19037 (2), 22035 (5), 22036 (1), 33936 (4), 40051 (2?), 40067 (7), 40079 (3), 40082 (16), 40110 (2), 40134 (1). Plus non-type specimens. •Valid as Crenicichla hadrostigma Lucena 2007 -- (Casciotta & Almirón 2009:656 [ref. 30041], Piálek et al. 2010:34 [ref. 30903], Koerber 2011:8 [ref. 31122], Casciotta et al. 2013:385 [ref. 32938], Koerber 2014:13 [ref. 33621], Piálek et al. 2015:24 [ref. 33984], Mirande & Koerber 2015:57 [ref. 35117], Bertaco et al. 2016:425 [ref. 34561], Říčan et al. 2017:6 [ref. 35070], Varella et al. 2023:2 [ref. 40273]). Current status: Valid as Crenicichla hadrostigma Lucena 2007. Cichlidae: Cichlinae. Distribution: South America: Uruguay River drainage, Argentina and Brazil. Habitat: freshwater.