| Alestidae (African tetras) |
| 12 cm SL (male/unsexed) |
|
pelagic; freshwater |
| Africa: Cameroon (Ref. 5331, 80920), Gabon (Ref. 80920) and the Congo River basin, from the Lower Congo to the Lualaba (Ref. 74421), in Cameroon (Ref. 46233), Republic of Congo and Democratic Republic of the Congo (Ref. 74421). Report from the Malagarasi in Tanzania (Ref. 4967, 93960) is unconfirmed (Ref. 54847) and probably erroneous. |
|
Dorsal spines (total): 0-0; Dorsal soft rays (total): 10-10; Anal spines: 0-0; Anal soft rays: 19-22. Diagnosis: 6.5-7.5 scales in transverse row between lateral line and dorsal fin origin; 10 scales around caudal peduncle; 33-36 lateral line scales (Ref. 74421, 80290). Eye diameter/head length 36-50% (Ref. 80290) or 35.6-46.8 (Ref. 74421). 17-19 (Ref. 80290) or 16-19 (Ref. 74421) anal fin branched rays.
Description: body more or less slender; males have dorsal fin rays filamentous (Ref. 80290). Dorsal fin with 2 unbranched and 8 branched rays; anal fin with 3 unbranched and 16-19 branched rays (Ref. 74421). 17-19 (Ref. 80290) or 16-20 (Ref. 74421) gill rakers on lower limb of first gill arch.
Coloration: dorsum generally dark green, belly is lighter and whitish (Ref. 80290). |
| Inhabits rivers (Ref. 4967). |
|
Least Concern (LC); Date assessed: 16 February 2009 Ref. (130435)
|
| harmless |
|
Found in the Dja, Ngoko and Boumba (Sangha drainage, middle Congo River basin)(Ref. 46233) and in the coastal rivers of the south (Ref. 51193), including the Ntem (Ref. 80290). Also Ref. 5331. |
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