lucius, Rhamphochromis Ahl [E.] 1926:59 [Sitzungsberichte der Gesellschaft Naturforschender Freunde zu Berlin 1926; ref. 77] Langenburg, Lake Malawi [Lake Nyasa], southeastern Africa. Syntypes: (2) ZMB 32390 [? 223 and 303] •Valid as Rhamphochromis lucius Ahl 1926 -- (Eccles & Trewavas 1989:314 [ref. 13547], Maréchal 1991:423 [ref. 20944]). •Possible synonym of Rhamphochromis woodi Regan 1922 -- (Turner et al. 2004:203 [ref. 28114], Turner et al. 2004:212 [ref. 28114]). •Synonym of Rhamphochromis esox (Boulenger 1908) -- (Konings 2016:170 [ref. 34521]). Current status: Synonym of Rhamphochromis esox (Boulenger 1908). Cichlidae: Pseudocrenilabrinae. Habitat: freshwater.