Overview

Distribution

Napo River, Ecuador, and upper Amazon River basin of Colombia.
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South America: Río Napo in Ecuador and Ríos Putumayo and Orteguaza in the upper Amazon basin in Colombia.
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Physical Description

Morphology

Vertebrae: 33
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Size

Max. size

5.7 cm SL (male/unsexed; (Ref. 56110))
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Diagnostic Description

Diagnosed from all other species of the genus Bryconamericus by its low number of vertebrae 33, completely ossified pterotic, a bent end of the pelvic bone, and nasal bones absent (Ref. 56110).Description: D iii,7, ii,6-7; A iii,23, iii,21-24, iii,22-23, iii,21-24; P ii,9, ii,10-11, ii,9, ii,10-11; V ii,6 (Ref. 56110).
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Ecology

Habitat

Environment

benthopelagic; freshwater; pH range: 6.9
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Conservation

Threats

Not Evaluated
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