microstoma, Haplochromis Regan [C. T.] 1922:695, Fig. 10 [Proceedings of the Zoological Society of London 1921 (pt 4) (no. 36); ref. 3673] Lake Malawi [Lake Nyasa], southeastern Africa. Syntypes: (2) BMNH 1908.10.27.89 (1), 1921.9.6.125 (1). •Synonym of Haplochromis pleurotaenia (Boulenger 1901) -- (Trewavas 1946:244 [ref. 35931]). •Synonym of Protomelas pleurotaenia (Boulenger 1901) -- (Maréchal 1991:390 [ref. 20944]). Current status: Synonym of Protomelas pleurotaenia (Boulenger 1901). Cichlidae: Pseudocrenilabrinae. Habitat: freshwater.