ansorgii, Pelmatochromis Boulenger [G. A.] 1901:8, Pl. 4 (fig. 1) [Proceedings of the Zoological Society of London 1901, v. 1 (pt 1) (art. 1); ref. 559] Junction of Ethiop River and Jamieson River, Niger Delta, Nigeria. Syntypes: BMNH 1901.2.8.9-12 (4). •Valid as Thysia ansorgii (Boulenger 1901) -- (Voss 1972:1 [ref. 37208]). •Valid as Thysochromis ansorgii (Boulenger 1901) -- (Daget 1991:480 [ref. 20947], Lévèque et al. 1991:145 [ref. 31367], Teugels & Thys van den Audenaerde in Lévêque et al. 1992:735 [ref. 21590], Poll & Gosse 1995:267 [ref. 24781] as ansorgi, Stiassny et al. 2007:321 [ref. 30045], Walsh et al. 2019:9 [ref. 37073]). Current status: Valid as Thysochromis ansorgii (Boulenger 1901). Cichlidae: Pseudocrenilabrinae. Distribution: Ivory Coast, Ghana, Benin and Nigeria, western Africa. Habitat: freshwater.