rapax, Barbus Steindachner [F.] 1894:138 [Anzeiger der Kaiserlichen Akademie der Wissenschaften, Wien, Mathematisch-Naturwissenschaftliche Classe v. 31 (no. 14) (for 25 May 1894); ref. 20493] Lompopo River, Transvaal [now Gauteng], South Africa. Holotype (unique): NMW 54495 [now 77686]. Species illustrated and described in more detail in Steindachner 1894:451, Pl. 4 (fig. 2) [ref. 14564]. •Synonym of Barbus mattozi Guimarães 1884 -- (Lévêque & Daget 1984:267 [ref. 6186], Marshall 2011:98 [ref. 31755] but possibly valid). •Possibly valid as Enteromius rapax (Steindachner 1894) -- (Vreven et al. 2016:21 [ref. 34168]). •Synonym of Enteromius mattozi (Guimarães 1884) -- (Hayes & Armbruster 2017:353 [ref. 35417]). Current status: Synonym of Enteromius mattozi (Guimarães 1884). Cyprinidae: Smiliogastrinae. Distribution: South Africa (if valid). Habitat: freshwater.