Overview

Comprehensive Description

Biology

Maximum TL was recorded at 24.5 cm (Ref. 7094). Inhabits open water and fringing vegetation. Feeds on Caridina and fish fry (Ref. 28714).
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Distribution

Africa: Nile basin (Ref. 2936), Chad basin, and Benue River (Ref. 2936, 86396).
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Physical Description

Size

Maximum size: 250 mm TL
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Max. size

25.0 cm TL (male/unsexed; (Ref. 28714))
  • Bailey, R.G. 1994 Guide to the fishes of the River Nile in the Republic of the Sudan. J. Nat. Hist. 28:937-970. (Ref. 28714)
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Diagnostic Description

Diagnosis: body depth 4.7-6.2 and head length 3.1-3.8x SL; caudal peduncle 1.5-2x longer than high; head flattened, 2.9-3.5 longer than wide; eye diameter 4-7x of head length; scale formula 12.5-14.5/90-107/13.5-14.5; single, dark, undulating longitudinal band along lateral line (not visible in live specimens); caudal-fin lobes marked with oblong black spots (Chad and Benué) (Ref. 2936, 86396). Description: pointed snout, slightly shorter than post ocular part; apart from the bicuspid teeth, there are 2 strong canines in upper and 3 in lower jaw; scales ctenoid; 10-12 scales between lateral line and pelvic-fin base (Ref. 2936, 86396). Coloration: silvery or greyish body sometimes with dark longitudinal band above lateral line; after preservation in formalin this band becomes more distinct; dorsal fin grey or light yellow; caudal fin bright yellow with black oblong spots (Ref. 2916, 86396).
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Ecology

Habitat

Environment

pelagic; freshwater
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Conservation

Threats

Not Evaluated
  • IUCN 2006 2006 IUCN red list of threatened species. www.iucnredlist.org. Downloaded July 2006.
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