catostoma, Mormyrus Günther [A.] 1866:222 [Catalogue of the fishes in the British Museum v. 6; ref. 1983] Rovuma [Ruvuma] River, Tanzania/Mozambique, southern Africa. Lectotype: BMNH 1863.10.12.4. Paralectotypes: BMNH 1863.10.12.5-6 (4). Lectotype selected by Whitehead & Greenwood 1959:284 [ref. 12037]. •Valid as Petrocephalus catostoma (Günther 1866) -- (Gosse 1984:110 [ref. 6169], Skelton 1993:99 [ref. 24071], Seegers 1996:82 [ref. 23725], Kramer & van der Bank 2000:393 [ref. 25762], Skelton 2001:99 [ref. 27406], van der Bank & Kramer 1996:282 [ref. 29516]). •Valid as Petrocephalus catostoma (Günther 1866), subspecies catostoma (Günther 1866) -- (De Vos et al. 2001:131 [ref. 26059], Seegers et al. 2003:29 [ref. 28087], Snoeks 2004:20 [ref. 28111], Lavoué et al. 2010:44 [ref. 30944], Lavoué 2011:26 [ref. 31401], Marshall 2011:54 [ref. 31755], Kramer et al. 2012:2232, 2233 [ref. 32160], Lovoué 2012:2167 [ref. 32189], Abwe et al. 2023:28 [ref. 39992]). Current status: Valid as Petrocephalus catostoma (Günther 1866). Mormyridae. Distribution: Southern-central Africa: Rovuma River system and western confluences to Lake Malawi; upper Congo River basin (Tanzania; Mozambique; Democratic Republic of Congo). Habitat: freshwater.