Overview

Comprehensive Description

Biology

Maximum TL was recorded at 70 cm (Ref. 7094). Prefers flowing water. Feeds on vegetation and periphyton (Ref. 28714).
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Distribution

Africa: Sudanian species - Senegal, Gambia, Niger (downstream from Bamako), Volta, Chad. Unlike Distichodus rostratus, it is not found in the lower basins of the Volta and other coastal basins between Gambia and Niger (Ref. 2936, 86396). Also found in the White Nile (Ref. 2936).
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Africa.
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Physical Description

Size

Maximum size: 590 mm SL
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Max. size

59.0 cm SL (male/unsexed; (Ref. 2936)); max. published weight: 6,000 g (Ref. 7094)
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Diagnostic Description

Diagnosis: mouth terminal; body depth 2.2-3.6x and head length 3.2-4.7x SL; caudal peduncle 0.7-0.9x longer than wide; eye diameter 3.6 (juveniles)-6.7x head length; scale formula 17.5-20.5/84-97/22.5-26.5; 18-20 scales between lateral line and pelvic-fin bases; 13-16 anal fin branched rays; 19-24 dorsal fin branched rays; juveniles with numerous spots on sides (Ref. 2936, 86396).Description: snout rounded; each jaw with 2 rows of teeth; scaly, forked caudal fin with round lobes (Ref. 2936, 86396). Coloration: gray body, dark back and sides, lighter to whitish belly; eye reddish; black inter-radial membranes of dorsal fin forming irregularly aligned patterns, not as well aligned as in D. rostratus; juveniles with round or vertically elongated spots irregularly scattered on sides and with orange spot on chin (Ref. 2936, 86396).
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Ecology

Habitat

Environment

demersal; freshwater
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Trophic Strategy

Prefers flowing water. Feeds on vegetation and periphyton.
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Conservation

Threats

Least Concern (LC)
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Relevance to Humans and Ecosystems

Benefits

Importance

fisheries: commercial
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Disclaimer

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