Hemibrycon cairoensis Román-Valencia & Arcila-Mesa, 2009
Hemibrycon cairoensis
photo by Romàn-Valencia, C.

Family:  Characidae (Characins; tetras), subfamily: Stevardiinae
Max. size:  8.544 cm SL (male/unsexed)
Environment:  benthopelagic; freshwater; pH range: 8 - 8
Distribution:  South America: Los Ramirez and Italica Creeks in the Risaralda River system, upper Cauca, Colombia.
Diagnosis:  Dorsal soft rays (total): 10-10; Vertebrae: 39-40. 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).
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).
IUCN Red List Status: Data deficient (DD); Date assessed: 10 October 2014 Ref. (130435)
Threat to humans:  harmless


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