gigas, Arius Boulenger [G. A.] 1911:386, Fig. 298 [Catalogue of the fresh-water fishes of Africa v. 2; ref. 579] Lokoja, Upper Niger River, Nigeria. Holotype: BMNH 1904.1.20.41. Paratypes or additional material: BMNH 2020.7.23.1 (1, skeleton), (1, skeleton) "types" of A. latiscutatus. Type catalog: Ferraris 2007:31 [ref. 29155]. •Valid as Arius gigas Boulenger 1911 -- (Taylor 1986:154 [ref. 6195], Burgess 1989:168 [ref. 12860], Taylor 1990:230 [ref. 14194], Daget in Lévêque et al. 1992:566 [ref. 21590]). •Mention -- (Kailola 2004:146 [ref. 28108]). •Incertae sedis in Ariidae -- (Ferraris 2007:31 [ref. 29155]). •Valid as Carlarius gigas (Boulenger 1911) -- (Marceniuk & Menezes 2007:37 [ref. 29031], Acero P. & Betancur-R. 2016:1745 [ref. 34564], Marceniuk et al. 2023:25 [ref. 40422]). Current status: Valid as Carlarius gigas (Boulenger 1911). Ariidae: Ariinae. Distribution: Western Africa: Volta, Niger and other rivers. Habitat: freshwater.