| Alestidae (African tetras) |
| 9.2 cm SL (male/unsexed); 7.4 cm SL (female) |
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pelagic; freshwater |
| Africa: found in the Ngounié River, a tributary of the Ogowe River in Gabon (Ref. 80290) and in the Kouilou-Niari basin in the Republic of Congo (Ref. 92841). |
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Diagnosis: fronto-parietal fontanel narrow, pore-like, but present; head length/snout length 3.5; 34-35 lateral line scales; 5.5 scales between lateral line and dorsal fin; 13 predorsal scales; 18 anal fin branched rays; 12-14 gill rakers on lower limb of first gill arch; 6 teeth in outer premaxillary row (Ref. 80290).
Description: pronounced sexual dimporphism affecting anal-fin shape in adult males; adults males have dorsal fin rays filamentous; like most of species in this groups, males are larger than females (Ref. 80290).
Coloration: as all species of B. longipennis group (Ref. 80290). |
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Endangered (EN); Date assessed: 16 February 2009 (B1ab(iii)+2ab(iii)) Ref. (130435)
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| harmless |
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