Overview

Distribution

Southern Buenos Aires Province to Negro River (posible introduction), Argentina.
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South America: Argentina.
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Physical Description

Diagnostic Description

Differs from all other Astyanax species by having 17-20 branched anal-fin rays, one maxillary tooth unicuspidate to tricuspidate, short anal-fin base (24.2-30.3% of SL) and long caudal peduncle (10.5-12.7% of SL ) (Ref. 56693).
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Ecology

Habitat

Environment

benthopelagic; freshwater
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Conservation

Threats

Not Evaluated
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