labrosus, Melanochromis Trewavas [E.] 1935:79 [Annals and Magazine of Natural History (Series 10) v. 16 (no. 91) (art. 6); ref. 4451] Deep Bay, Lake Malawi [Lake Nyasa], southeastern Africa. Holotype (unique): BMNH 1935.6.14.321. •Valid as Melanochromis labrosus Trewavas 1935 -- (Maréchal 1991:262 [ref. 20944], Konings-Dudin et al. 2009:56 [ref. 30309]). •Valid as Abactochromis labrosus (Trewavas 1935) -- (Oliver & Arnegard 2010:212 [ref. 31027], Konings & Stauffer 2012:19 [ref. 31871], Konings 2016:219 [ref. 34521]). Current status: Valid as Abactochromis labrosus (Trewavas 1935). Cichlidae: Pseudocrenilabrinae. Distribution: Eastern Africa: Lake Malawi. Habitat: freshwater.