Mormyrops caballus Pellegrin, 1927

Body depth, 6.3–7.9 times into SL. Maximum depth at mid-body near level of pelvics. Head slightly down-turned, HL 26–29% SL. Head profile concave above and below, and very narrow at level of eye, with snout curved somewhat like a duck’s beak. Snout rounded and long, 6.8–7.2% SL, 24.1–25.9% HL. Nostrils close to one another, far from the eye. Teeth slightly notched, 14–18 above, 14–17 below evenly spaced in single rows around the entire jaw opening. Eye small, about 50–75% of the interorbital width. Dorsal, 28–31, its length 66–74% of the anal. Predorsal distance about 1.1–1.2 times the preanal. Anal 39–42, originates well in advance of dorsal. Pectoral fin rounded, its length about half the distance between pectoral and pelvic fins. Caudal fin small, lobes rounded. Caudal peduncle about 10–11.9% SL, its depth 2.2–2.7 times as long as deep, with 16 circumpeduncular scales. Lateral line with 77–95 scales. Body and fins uniform brown.

In Lower Guinea found in the Sanaga and the Nyong rivers of Cameroon. In West Africa M. caballus is found in the Benoué, the upper Niger and is known from several localities in Sierra Leone. See Fishbase for museum records and localities.

Dorsal spines (total): 0; Dorsal soft rays (total): 26 - 35; Analspines: 0; Analsoft rays: 39 - 45

46.0 cm SL (male/unsexed; (Ref. 2915))