| Family: |
Cyprinidae (Minnows or carps), subfamily: Smiliogastrinae |
| Max. size: |
3.3 cm SL (male/unsexed); max.weight: 3.0 g |
| Environment: |
benthopelagic; freshwater, potamodromous |
| Distribution: |
Africa: present in Upper Niger and known from the high basins of the Volta, Bandama, Agnébi and also in the Niger Delta in Nigeria (Ref. 81282). Also Ref. 2940. |
| Diagnosis: |
Dorsal soft rays (total): 11-11; Anal soft rays: 8-8. Diagnosis: last simple dorsal-fin ray smooth on hind margin; scale formula 2.5/21-25/2.5; 1.5 scales between lateral line and pelvic-fin base; 8 scales around caudal peduncle; lateral-line scales distinctly deeper than other, particularly below dorsal fin; 8 branched dorsal fin rays; anterior barbel not reaching to anterior margin of eye; posterior barbel reaching to, or extending beyond, posterior half of eye; lateral line complete and slightly depressed below dorsal fin; maximum reported size 33 mm SL (Ref. 2940, 81282).
Description: very small species slightly compressed body, straight dorsal profile; mouth subterminal; cephalic pores poorly developed, but visible on cheeks; two pairs of rather long barbels; lateral line rejoining mid-lateral line above anal fin; morphologically closely related to B. pleurophollis, the latter mainly found in Chad and Congo basins; D:III,8; A:III,5 (Ref. 2940, 81282)
Coloration: body silvery in life; scales black-edged; unpaired fins tinged with light to bright pink in males; dorsal fin greyish in females; no distinct band or spots on body (Ref. 2940, 81282). |
| Biology: |
Affinities: B. pleuropholis from Chad and Congo basins (Ref. 2940). Maximum TL was recorded at 4.2 cm (Ref. 2801). |
| IUCN Red List Status: |
Least Concern (LC); Date assessed: 21 August 2019 Ref. (130435)
|
| Threat to humans: |
harmless |
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