ophidium, Mastacembelus Günther [A.] 1894:630 [Proceedings of the Zoological Society of London 1893 (pt 4) (art. 2) (for 7 Nov. 1893); ref. 14529] Lake Tanganyika. Lectotype: BMNH 1889.1.30.22. Paralectotypes: BMNH 1889.1.30.23-24 (4) near Ujiji. Lectotype selected by Vreven 2005:1540 [ref. 28140]. •Valid as Afromastacembelus ophidium (Günther 1894) -- (Travers 1984:145 [ref. 5147], Gosse 1986:419 [ref. 6194]). •Valid as Caecomastacembelus ophidium (Günther 1894). •Valid as Mastacembelus ophidium Günther 1894 -- (Vreven 2005:1540, 1544 [ref. 28140], Vreven & Snoeks 2009:1019 [ref. 30552], Vreven & Stiassny 2009:219 [ref. 30676], Brown et al. 2011:287 [ref. 31286]). Current status: Valid as Mastacembelus ophidium Günther 1894. Mastacembelidae. Distribution: Lake Tanganyika. Habitat: freshwater.