Overview

Comprehensive Description

Biology

Common in the lee side of islands and protected backwaters of the main river channel; sand with some rocks bottom. Also collected near mouths of streams where it could be muddy and covered with terrestrial plant leaves. Aquatic vegetation almost always absent; water clear to moderately turbid (Ref. 49521).
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Distribution

Caura River basin, Venezuela.
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South America: Venezuela.
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Physical Description

Morphology

Dorsal soft rays (total): 9; Analsoft rays: 15 - 17; Vertebrae: 36 - 37
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Size

Max. size

5.6 cm SL (male/unsexed; (Ref. 49521))
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Diagnostic Description

Body with bright red coloration, from vertical through second to fifth branched anal-fin ray to vertical through apex of fork in caudal fin; adipose and posterior 2/3 of anal fin red. This coloration is believed to be autapomorphic. Distal margin of anal fin clear. Maxillary teeth 11-16; incompletely toothed maxilla (Ref. 49521).
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Ecology

Habitat

Environment

pelagic; freshwater
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Trophic Strategy

Common in the lee side of islands and protected backwaters of the main river channel; sand with some rocks bottom. Also collected near mouths of streams where it could be muddy and covered with terrestrial plant leaves. Aquatic vegetation almost always absent; water clear to moderately turbid (Ref. 49521).
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Conservation

Threats

Not Evaluated
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Disclaimer

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