livingstonii, Tilapia Boulenger [G. A.] 1899:134, Pl. 11 (fig. 2) [Proceedings of the Zoological Society of London 1899 (pt 1); ref. 14695] Zambezi River. Holotype (unique): BMNH 1863.11.12.22. •Valid as Metriaclima livingstonii (Boulenger 1899) -- (Stauffer et al. 1997 [ref. 23216], Konings & Stauffer 2006:233 [ref. 28844], Ciccotto et al. 2011:23 [ref. 31119] not typical of genus, Stauffer et al. 2013:103 [ref. 32704]). •Valid as Maylandia livingstonii (Boulenger 1899) -- (Ufermann 2001:61 [ref. 30286]). •Valid as Pseudotropheus livingstonii (Boulenger 1899) -- (Maréchal 1991:407 [ref. 20944], Stauffer 1991:142 [ref. 20087], Konings 2016:315 [ref. 34521], Stauffer et al. 2016:172 [ref. 34671], Konings et al. 2024:188 [ref. 40750]). Current status: Valid as Pseudotropheus livingstonii (Boulenger 1899). Cichlidae: Pseudocrenilabrinae. Distribution: Eastern Africa: Lake Malawi. Habitat: freshwater.