pygmaeus, Geophagus Hensel [R.] 1870:68 [Archiv für Naturgeschichte v. 36 (pt. 1); ref. 18277] Rio Guaíba, Porto Alegre, Rio Grande do Sul, Brazil. Syntypes: ZMB 7469 (2), 22295 (3). Type catalog: Paepke & Schindler 2013:268 [ref. 32895]. •Synonym of Gymnogeophagus gymnogenys (Hensel 1870) -- (Gosse 1976:118 [ref. 7029], Reis & Malabarba 1988:277 [ref. 6638], Malabarba 1989:167 [ref. 14217], Kullander in Reis et al. 2003:635 [ref. 27061], Litz & Koerber 2014:34 [ref. 33622], Mirande & Koerber 2015:58 [ref. 35117]). Current status: Synonym of Gymnogeophagus gymnogenys (Hensel 1870). Cichlidae: Cichlinae. Habitat: freshwater.