Overview

Comprehensive Description

Biology

Inhabits large or small rivers, streams and lagoons. Feeds on larvae of chironomids and ceratopogonids, both larvae and adult terrestrial Coleoptera, ants, mollusks and other fishes.
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Distribution

South America: Paraná River basin.
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Paraná River basin: Argentina, Brazil (?) and Uruguay (?).
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Physical Description

Size

Maximum size: 152 mm SL
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Max. size

28.7 cm TL (male/unsexed; (Ref. 79585)); max. published weight: 194 g (Ref. 79585)
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Ecology

Habitat

Environment

benthopelagic; freshwater
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Trophic Strategy

Inhabits large or small rivers, streams and lagoons. Feeds on larvae of chironomids and ceratopogonids, both larvae and adult terrestrial Coleoptera, ants, molluscs and other fishes.
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Conservation

Threats

Not Evaluated
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Disclaimer

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