Enteromius nigeriensis (Boulenger, 1903)

Family:  Cyprinidae (Minnows or carps), subfamily: Smiliogastrinae
Max. size:  5 cm SL (male/unsexed)
Environment:  benthopelagic; freshwater
Distribution:  Africa: present in the Nile (Ref. 2940), Chad (Ref. 2940, 13331), Niger, Volta (Ref. 2801, 2940, 13331, 81282), Ogun (Ref. 2801, 2940, 13331), Benué (Ref. 13331) and Cross (Ref. 2940, 13331, 81282, 81639) Rivers.
Diagnosis:  Dorsal spines (total): 0-0; Dorsal soft rays (total): 11-11; Anal spines: 0-0; Anal soft rays: 8-8. Diagnosis: mouth subinferior; two pairs of rather long barbels, anterior pair reaching to posterior half of eye, posterior pair sometimes extending beyond posterior border of eye; lateral line complete and depressed below dorsal fin; 27-30 scales in lateral line; 4.5 scales between lateral line and dorsal fin origin; 3.5-4.5 scales between lateral line and mid-belly; 2.5 scales between lateral line and pelvic-fin base; 12 scales around caudal peduncle; 8 branched dorsal fin rays; last simple dorsal-fin ray smooth on hind margin; no black spots; small black regular longitudinal stripe on sides curved upwards beneath dorsal fin; maximum reported size 50 mm SL (Ref. 2940, 81282, 81639). Description: dorsal profile slightly convex; D:III,8; A:III,5 (Ref. 2940, 81282, 81639). Mouth relatively broad (Ref. 2940, 81282). Coloration: narrow black longitudinal band running from gill cover to posterior part of caudal peduncle, where it becomes slightly broader; band curves slightly upwards below dorsal fin, distinctly diverging from the lateral line in this sector; sides silvery in life; dorsal and caudal fins pale pink (Ref. 2940, 81282, 81639).
Biology: 
IUCN Red List Status: Least Concern (LC); Date assessed: 02 May 2019 Ref. (130435)
Threat to humans:  harmless


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