longicauda, Mastacembelus Boulenger [G. A.] 1907:487 [Annals and Magazine of Natural History (Series 7) v. 20 (no. 120) (art. 66); ref. 15138] Kribi River at Akok, southern Cameroon. Holotype (unique): BMNH 1908.5.30.189. •Valid as Caecomastacembelus longicauda (Boulenger 1907) -- (Travers 1984:145 [ref. 5147], Gosse 1986:425 [ref. 6194]). •Synonym of Caecomastacembelus cryptacanthus (Günther 1867) -- (Lévèque et al. 1991:146 [ref. 31367], Travers in Lévêque et al. 1992:856 [ref. 21590]). •In Mastacembelus to agree with current placement of Caecomastacembelus. Current status: Synonym of Mastacembelus cryptacanthus Günther 1867. Mastacembelidae. Habitat: freshwater.