iguassuensis, Crenicichla Haseman [J. D.] 1911:352, Pl. 61 [Annals of the Carnegie Museum v. 7 (nos 3-4) (18); ref. 12510] Rio Iguassú at Porto União da Victoria, Paraná, Brazil. Holotype: FMNH 54159 [ex CM 2725]. Paratypes: CAS 78963 [ex IU 13357] (1), FMNH 54160-61 (3, 1). Type catalog: Henn 1928:95 [ref. 12305], Ibarra & Stewart 1987:29 [ref. 12367]. Originally as iguassuënsis. •See Gómez & Chebez 1996:66 [ref. 23791]. •Valid as Crenicichla iguassuensis Haseman 1911 -- (Casciotta 1987:883 [ref. 6772], Ploeg 1991:112 [ref. 20196], Miquelarena et al. 1997:71 [ref. 23469], Kullander in Reis et al. 2003:628 [ref. 27061], López et al. 2003:76 [ref. 27366] as cf. iguassuensis, Casciotta et al. 2006:107 [ref. 28986], Casciotta et al. 2007:1 [ref. 29372], Kullander 2009:49 [ref. 30051], Piálek et al. 2010:34 [ref. 30903], Casciotta et al. 2010:643 [ref. 30975], Varella 2011:35 [ref. 37216]. Kullander & Lucena 2013:154 [ref. 32675], Casciotta et al. 2013:385 [ref. 32938], Piálek et al. 2015:19 [ref. 33984], Říčan et al. 2017:6 [ref. 35070], Koerber et al. 2017:8 [ref. 35083], Koerber et al. 2017:9 [ref. 35632], Koerber et al. 2019:10 [ref. 36736], Piálek et al. 2019:394 [ref. 36110], Mirande & Koerber 2020:2 [ref. 37594], Reis et al. 2020:472 [ref. 38364], Varella et al. 2023:3 [ref. 40273], Říčan et al. 2023:54 [ref. 40289]). Current status: Valid as Crenicichla iguassuensis Haseman 1911. Cichlidae: Cichlinae. Distribution: South America: Iguaçu River basin, Argentina and Brazil. Habitat: freshwater.