niger, Mastacembelus Sauvage [H.-E.] 1879:95 [6] [Bulletin de la Société philomathique de Paris (7th Série) v. 3; ref. 3881] Ogooué River at Doumé, Gabon. Holotype (unique): MNHN A-0967. On p. 6 of separate. •Valid as Caecomastacembelus niger (Sauvage 1879) -- (Travers 1984:145 [ref. 5147], Gosse 1986:426 [ref. 6194], Vreven 2004:102 [ref. 27762]). •Valid as Mastacembelus niger Sauvage 1879 -- (Vreven 2007:567 [ref. 30080] with new synonyms, Skelton 2019:228, 237 [ref. 36564], Kiselkewa et al. 2020:[11] 710 [ref. 38315], Fermon et al. 2022:226 [ref. 39448], Kanu et al. 2022:67 [ref. 39409]). Current status: Valid as Mastacembelus niger Sauvage 1879. Mastacembelidae. Distribution: Western-central Africa: Cameroon south to Democratic Republic of Congo, including lower and middle Congo River basin. Habitat: freshwater.