| Family: |
Danionidae (Danios), subfamily: Chedrinae |
| Max. size: |
11.1 cm SL (male/unsexed) |
| Environment: |
demersal; freshwater, potamodromous |
| Distribution: |
Africa: mainly in Niger and Bénoué basins (Ref. 2940, 81282), but also in Moa, Cavally, Sassandra, Bandama, and Comoé Rivers (Côte d'Ivoire), Pra River (Ghana) and Cross River (Nigeria, Cameroon) (Ref. 2940, 81282, 81639). |
| Diagnosis: |
Dorsal spines (total): 0-0; Dorsal soft rays (total): 11-11; Anal spines: 0-0; Anal soft rays: 16-18. Diagnosis: body depth 3.5-5.3x and head length 4.2-5.1x SL; eye diameter 2.8-3.5x head length (Ref. 2940, 81282). Scale formula: 7.5-8.5/41-46/(3.5)4.5(5.5); 14 scales around caudal peduncle; 8 dorsal-fin branched rays; 13-15 anal-fin branched rays (Ref. 2940, 81282, 81639).
Description: mouth terminal, without barbels; scales with divergent striae; 2 scales between lateral line and pelvic fin base; dorsal fin falciform, originating in advance of anal fin; caudal fin forked (Ref. 81639). D: III,8; A: III,13-15; P: 15-16; V: I,8 (Ref. 81282, 81639).
Coloration: silvery, with greenish-grey back in life; sides with 8-10 dark vertical bars, longer on posterior part of body; anal, dorsal and caudal fins tinged with orange-red (Ref. 2940, 81282, 81639). |
| Biology: |
Affinities: may be sympatric with R. senegalensis and R. steindachneri and has always been mistaken for R. senegalensis, which is the reason for it not being discovered. Maximum TL was recorded at 12.5 cm (Ref. 2801). |
| IUCN Red List Status: |
Least Concern (LC); Date assessed: 11 May 2019 Ref. (130435)
|
| Threat to humans: |
harmless |
| Country info: |
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