Overview

Distribution

Teles Pires River tributary of the Tapajós River system, Mato Grosso, Brazil.
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South America: upper rio Tapajós system in Brazil.
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Physical Description

Morphology

Dorsal soft rays (total): 11; Analsoft rays: 21 - 24; Vertebrae: 37 - 38
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Size

Max. size

3.5 cm SL (male/unsexed; (Ref. 54770))
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Diagnostic Description

Distinguished from all Hyphessobrycon species by the following characters: 7-8 tricuspid teeth in the inner premaxillary tooth row; 5-9 tricuspid teeth in maxilla; 18-21 anal-fin branched rays; small dark spot centered on the basal portion of the median caudal-fin rays, sometimes extending to their distal portions; humeral spot and longitudinal stripe absent; male pelvic fins with hooks; hooks sometimes present in the anal fin (Ref. 54770).Description: Dorsal-fin rays ii,9; anal-fin rays iii,19 (iii, 18-21); pectoral-fin rays i,10 (i,10-12); pelvic-fin rays i,7 (Ref. 54770).
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Ecology

Habitat

Environment

benthopelagic; freshwater
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Conservation

Threats

Not Evaluated
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