Overview

Comprehensive Description

Biology

Found in a creek characterized by having an average dissolved oxygen of 5-8 mg/l and a relative humidity of 71-100%, conductivity of 301-367 us/cm, surface temperature of 18.5-24.5°C, and pH 5.8-8.0 (Ref. 83513).
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Distribution

Quindo Santo Domingo River sysem, upper Cauca, Colombia.
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South America: La Venada Creek, Quindío-Santo Domingo River system, upper Cauca, Colombia.
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Physical Description

Morphology

Dorsal soft rays (total): 10; Vertebrae: 39 - 41
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Size

Max. size

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

Diagnosed from all other species of the genus in having an elongate projection on fourth ventral neural arc near the first neural postzygoapophysis and a very reduced hooks on all fins and the posterior end of dorsal lobe of the caudal fin (Ref. 83513).Description: Dorsal fin iii,7; anal fin iii-iv,23-28; pectoral fin ii,9-11; pelvic fin ii,6 (Ref. 83513).
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Ecology

Habitat

Environment

benthopelagic; freshwater; pH range: 5.8 - 8.0
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Conservation

Threats

Not Evaluated
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