Enteromius anniae (Lévêque, 1983)
Enteromius anniae
photo by RMCA

Family:  Cyprinidae (Minnows or carps), subfamily: Smiliogastrinae
Max. size:  8.3 cm SL (male/unsexed)
Environment:  benthopelagic; freshwater,
Distribution:  Africa: only known from the Koumba River, affluent of the Tominé/Corubal River in Guinea (Ref. 2940, 81282).
Diagnosis:  Dorsal spines (total): 0-0; Dorsal soft rays (total): 11-11; Anal spines: 0-0; Anal soft rays: 8-8. Diagnosis: head deep and massive in adults, dorsal profile convex; last simple dorsal-fin ray smooth on hind margin; scale formula (3.5)4.5/25-27/4.5; 3.5 scales between lateral line and pelvic-fin base; 12 scales around caudal peduncle; caudal peduncle elongate (ratio caudal peduncle depth/head length less than 50%); 8 branched dorsal fin rays; two unequal pairs of barbels, anterior extending beyond centre of eye, posterior to gill cover; lateral line complete and weakly depressed below dorsal fin; maximum reported size 83 mm SL; 3 large well defined spots on sides, 1st before level of dorsal-fin origin, 2nd behind vertical line from last dorsal-fin ray, 3rd at end of caudal peduncle; average distance centres 2nd-3rd spot/distance centres 1st-2nd spot (= RDT) is 1.04; known from the upper Corubal in Guinea (Ref. 2940, 81282). Description: D: III,8; A: III,5 (Ref. 2940, 81282). Coloration: dark back, light belly; scales above and 2 row below lateral line with vertical crescent-shaped bars of melanophores; 3 aligned spots on sides: 1st on 5-6th scale above lateral line, 2nd slightly behind vertical line from last dorsal-fin ray and 3rd, usually smaller than the others, practically disappearing in large individuals) at end of caudal peduncle; spots generally clearer in young and tend to fade with age (Ref. 2940, 81282).
Biology:  Affinities: B. trispilos and B. liberiensis (Ref. 2940).
IUCN Red List Status: Endangered (EN); Date assessed: 19 March 2020 (B1ab(i,ii,iii)+2ab(i,ii,iii)) Ref. (130435)
Threat to humans:  harmless


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