trewavasae, Petrochromis Poll [M.] 1948:10, Figs. 5-7 [Bulletin du Musée Royal d'Histoire Naturelle de Belgique v. 24 (no. 26); ref. 13070] Moliro, Democratic Republic of Congo, Lake Tanganyika. Holotype (unique): MRAC 106574. Type catalog: Derijst 1991:62 [ref. 21528]. •Valid as Petrochromis trewavasae Poll 1948 -- (Maréchal & Poll 1991:372 [ref. 20946], Takahashi & Koblmüller 2014:262 [ref. 33264], Konings 2015:59 [ref. 34660], Konings 2019:60 [ref. 36983]). Current status: Valid as Petrochromis trewavasae Poll 1948. Cichlidae: Pseudocrenilabrinae. Distribution: Eastern Africa: southwestern Lake Tanganyika. Habitat: freshwater.