Geophagus santosi, UFRJ 11765, holotype, 110.6 mm SL; Brazil: Bahia: Mariana River. Scale bar 10 mm. Photograph by J.L.O. Mattos.
Part of: Mattos JLO, Costa WJEM (2018) Three new species of the ‘Geophagus’ brasiliensis species group from the northeast Brazil (Cichlidae, Geophagini). Zoosystematics and Evolution 94(2): 325-337. https://doi.org/10.3897/zse.94.22685