johnstoni, Discognathus Boulenger [G. A.] 1901:159 [Proceedings of the Zoological Society of London 1901, v. 2 (pt 3) (art. 2) (for 4 June 1901); ref. 14746] Lake Victoria [Victoria Nyanza]. Holotype (unique): BMNH 1901.6.24.94. •Synonym of Garra dembeensis (Rüppell 1835) -- (Lévêque & Daget 1984:302 [ref. 6186] as johnstonii, Lévèque et al. 1991:141 [ref. 31367], Seegers et al. 2003:34 [ref. 28087], Stiassny & Getahun 2007:54 [ref. 29119]). Current status: Synonym of Garra dembeensis (Rüppell 1835). Cyprinidae: Labeoninae. Habitat: freshwater.