eucinostomus, Haplochromis Regan [C. T.] 1922:716, Pl. 4 (fig. 1) [Proceedings of the Zoological Society of London 1921 (pt 4) (no. 36); ref. 3673] Lake Malawi [Lake Nyasa], southeastern Africa. Lectotype: BMNH 1921.9.6.121 [or 191]. Paralectotypes: BMNH 1921.9.6.122 [or 192] (1). Lectotype selected by Eccles & Trewavas 1989:308 [ref. 13547]. •Valid as Copadichromis eucinostomus (Regan 1922) -- (Eccles & Trewavas 1989:307 [ref. 13547], Maréchal 1991:53 [ref. 20944], Stauffer et al. 1993:1026 [ref. 22078], Albertson et al. 1999:5108 [ref. 25258], Stauffer & Sato 2002:91 [ref. 26070], Snoeks & Hanssens 2004:276 [ref. 28117]). •Valid as Mchenga eucinostomus (Regan 1922) -- (Stauffer & Konings 2006:38 [ref. 28633], Konings 2016:321 [ref. 34521]). Current status: Valid as Mchenga eucinostomus (Regan 1922). Cichlidae: Pseudocrenilabrinae. Distribution: Eastern Africa: Lake Malawi. Habitat: freshwater.