tretocephalus, Lamprologus Boulenger [G. A.] 1899:117, Pl. 44 (fig. 4) [Annales du Musee du Congo (Ser. Zoologie) v. 1 (fasc. 5); ref. 589] Albertville, Democratic Republic of Congo, Lake Tanganyika. Holotype (unique): MRAC 231. •Valid as Neolamprologus tretocephalus (Boulenger 1899) -- (Maréchal & Poll 1991:293 [ref. 20946], Schelly et al. 2003:3 [ref. 27431], Konings 2015:248 [ref. 34660], Konings 2019:263 [ref. 36983]). Current status: Valid as Neolamprologus tretocephalus (Boulenger 1899). Cichlidae: Pseudocrenilabrinae. Distribution: Eastern Africa: Lake Tanganyika. Habitat: freshwater.