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Bryconalestes tholloni (Pellegrin, 1901) |
| Family: | Alestidae (African tetras) | |||
| Max. size: | 8.9 cm SL (male/unsexed) | |||
| Environment: | pelagic; freshwater | |||
| Distribution: | Africa: Lower Guinea endemic, found in Gabon and the Republic of Congo in the upper Ogowe, Nyanga and Kouilou River basins (Ref. 80290). | |||
| Diagnosis: | Diagnosis: fronto-parietal fontanel narrow but always present; head length/snout length 3.4-3.6; 34-38 lateral line scales; 6.5 scales between lateral line and dorsal fin; 11-11.5 predorsal scales; 22-25 anal fin branched rays; 13-14 gill rakers on lower limb of first gill arch; 6 teeth in outer premaxillary row; humeral spot present (Ref. 80290). Description: no adipose eyelid; gill rakers thin, short and few; 6 outer premaxillary teeth aligned in a single row (Ref. 80290). Coloration: ground colour silvery, back greenish, belly whitish and fins greyish (Ref. 80290). | |||
| Biology: | ||||
| IUCN Red List Status: | Least Concern (LC); Date assessed: 16 February 2009 Ref. (130435) | |||
| Threat to humans: | harmless | |||