esox, Paratilapia Boulenger [G. A.] 1908:240 [Annals and Magazine of Natural History (Series 8) v. 2 (no. 9); ref. 575] Lake Malawi [Lake Nyasa], southeastern Africa. Syntypes: BMNH 1908.10.27.63-64 (2), 1908.10.27.65 (1, skeleton). •Valid as Rhamphochromis esox (Boulenger 1908) -- (Eccles & Trewavas 1989:316 [ref. 13547], Maréchal 1991:422 [ref. 20944], Turner et al. 2004:203 [ref. 28114], Konings 2016:170 [ref. 34521]). Current status: Valid as Rhamphochromis esox (Boulenger 1908). Cichlidae: Pseudocrenilabrinae. Distribution: Eastern Africa: Lake Malawi. Habitat: freshwater.