johnstoni, Chromis Günther [A.] 1894:622, Pl. 54 (fig. A) [Proceedings of the Zoological Society of London 1893 (pt 4); ref. 2018] Fort Johnston, Malawi. Holotype (unique): BMNH 1893.11.15.6. •Valid as Placidochromis johnstoni (Günther 1894) -- (Eccles & Trewavas 1989:116 [ref. 13547], Maréchal 1991:379 [ref. 20944], Konings 2016:298 [ref. 34521]). •Mention -- (Snoeks & Manuel 2004:83 [ref. 28112]). Current status: Valid as Placidochromis johnstoni (Günther 1894). Cichlidae: Pseudocrenilabrinae. Distribution: Eastern Africa: Lake Malawi, Lake Malombe, and upper Shiré River. Habitat: freshwater.