obscura, Chromys Castelnau [F. L.] 1855:14, Pl. 6 (fig. 3) [Animaux nouveaux or rares v. 2; ref. 766] Rio Paraguassu, Bahia, Brazil. Syntypes: MNHN A-9511 (2). Type catalog: Blanc 1962:205 [ref. 20868], Bauchot et al. 1978:46 [ref. 20862]. Original genus should have been Chromis. •Synonym of Geophagus brasiliensis (Quoy & Gaimard 1824) -- (Gosse 1976:34 [ref. 7029]). •Valid as 'Geophagus' obscurus (Castelnau 1855) -- (Argolo et al. 2020:4 [ref. 37561]). •Valid as Geophagus obscurus (Castelnau 1855) -- (Kullander in Reis et al. 2003:633 [ref. 27061], Mattos et al. 2015:219 [ref. 34048], Mattos & Costa 2018:336 [ref. 36009], Silva et al. 2020:15 [ref. 37809], Vieira-Guimarães et al. 2024:53 [ref. 41258]). Current status: Valid as Geophagus obscurus (Castelnau 1855). Cichlidae: Cichlinae. Distribution: South America: Paraguaçu River basin, Bahia State (Brazil). Habitat: freshwater.