rukwaensis, Tilapia nilotica Hilgendorf [F. M.] & Pappenheim [P.] 1903:262 [Sitzungsberichte der Gesellschaft Naturforschender Freunde zu Berlin 1903 (no. 6); ref. 15031] Lake Rukwa, southwestern Tanzania. Lectotype: ZMB 16300. Paralectotypes: ZMB 16301-04 (16, 31 or 34, 11, 2), 32419 [ex ZMB 16300] (9). Lectotype selected by Seegers 1996:312 [ref. 23725]. •Valid as Oreochromis rukwaensis (Hilgendorf & Pappenheim 1903) -- (Trewavas & Teugels 1991:336 [ref. 20954], Seegers 1996:312 [ref. 23725]). Current status: Valid as Oreochromis rukwaensis (Hilgendorf & Pappenheim 1903). Cichlidae: Pseudocrenilabrinae. Distribution: Eastern Africa: Lake Rukwa and upper Great Ruaha, Tanzania. Habitat: freshwater.