Overview

Comprehensive Description

Biology

Inhabits open water and vegetated areas of lakes, lagoons and irrigation canals. Females grow larger and are more frequently caught than males. Chiefly insectivorous, feeding on the bottom and in vegetation (Ref. 28714). Affinities: P. ansorgii, differ only by the small eyes, the thick caudal peduncle, numerous teeth on lower jaw and the uniform silvery color (P. ansorgii has a spot on the dorsal fin).
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Distribution

Africa: Nile basin, also from the Bénoué, Chad and Volta River (Ref. 2915).
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Physical Description

Morphology

Dorsal spines (total): 0; Dorsal soft rays (total): 29 - 34; Analspines: 0; Analsoft rays: 32 - 38
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Size

Max. size

20.0 cm SL (male/unsexed; (Ref. 31256)); max. published weight: 40.0 g (Ref. 3799)
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Diagnostic Description

Body depth 2.6-3.2 x SL, anal base 3.1-3.4 x SL, caudal peduncle height 16.8-18.7 x SL. Eye diameter 3.5-4.5 x head length. Uniform silvery color.
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Ecology

Habitat

Environment

demersal; potamodromous (Ref. 51243); freshwater
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Migration

Potamodromous. Migrating within streams, migratory in rivers, e.g. Saliminus, Moxostoma, Labeo. Migrations should be cyclical and predictable and cover more than 100 km.
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Trophic Strategy

Feeds mostly on insects (Ref. 6160).
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Conservation

Threats

Not Evaluated
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Relevance to Humans and Ecosystems

Benefits

Importance

aquarium: commercial
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Disclaimer

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