Overview

Comprehensive Description

Biology

Inhabits creeks with brown water and substrate of stone and sand. The creeks are characterized by having 18.3-20.3°C surface temperature, 7.6-9.7 mg/l dissolved oxygen and 104-127% saturation, pH 8, and 2-4 m width (Ref. 83513).
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Distribution

Los Ramirez and Italica creeks in Risaralda River system, upper Cauca, Colombia.
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South America: Los Ramirez and Italica Creeks in the Risaralda River system, upper Cauca, Colombia.
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Physical Description

Morphology

Dorsal soft rays (total): 10; Vertebrae: 39 - 40
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Size

Max. size

8.5 cm SL (male/unsexed; (Ref. 83513))
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Diagnostic Description

Diagnosed from other members of the genus in possessing nine proximal pterygiophores (including the terminal piece) on dorsal fin. Differs further from Hemibrycon species from the upper and middle Cauca rivers by having 43-46 pored lateral-line scales (Ref. 83513).Description: Dorsal fin ii,8; anal fin iii-iv,23-28; pectoral fin ii,10-11; pelvic fin ii,6 (Ref. 83513).
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Ecology

Habitat

Environment

benthopelagic; freshwater; pH range: 8.0 - 8.0
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Conservation

Threats

Not Evaluated
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