Found in habitats with moderate to fast moving waters over rocky and sandy bottoms; in both acidic, black waters, as well as in clear, but slightly acidic waters. In the Caura, it was found in rapids covered by vascular plants (Podostemonacae), as well as in small springs with sandy bottoms. Found in the upper part of the water column in the main channel, usually in schools with other characid species. Observed food items include several groups of terrestrial insects .
Dorsal soft rays (total): 11; Anal soft rays: 29 - 36; Vertebrae: 40 - 44. Diagnosis: Differs from its congeners except B. magoi by its unique color pattern, red coloration at the upper half of a diffuse caudal fin ocellus. Further distinguished from other species of the subgenus Bryconops by the following characters: pored lateral scales 44-48, modally 47 (vs. >57 in alburnoides,
Behavioural data for Bryconops Collettei is currently being reviewed.
Diet information for Bryconops Collettei is currently being compiled.
Reproduction data for Bryconops Collettei is currently being compiled.
Freshwater; benthopelagic. Tropical South America: Venezuela.
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