Hemibrycon virolinica Román-Valencia & Arcila-Mesa, 2010
Hemibrycon virolinica
photo by Romàn-Valencia, C.

Family:  Characidae (Characins; tetras), subfamily: Stevardiinae
Max. size:  9.82 cm SL (male/unsexed)
Environment:  benthopelagic; freshwater; pH range: 6.9 - 8.1
Distribution:  South America: Santander, Colombia.
Diagnosis:  Dorsal soft rays (total): 10-11; Vertebrae: 39-41. Diagnosed from other species of Hemibrycon by the possession of the posterior end of the extrascapular spine surpassing the postemporal and the posterior end of the first proximal pterygiophores of dorsal fin of the same size as the anterior edge. Distinguished from Hemibrycon colombianus in having 40-44 pored scales in the lateral line; and from other species from the upper and middle Magdalena drainage by the absence of a lateral band and the presence of a pigmented adipose fin (Ref. 83529). Description: Dorsal fin iii,7-8; anal fin iii-iv,18-23; pectoral fin ii,10-11; pelvic fin ii,6 (Ref. 83529).
Biology:  Inhabits creeks with surface temperature 15.8-27.5°C, air temperature 17.3-21.4°C, dissolved oxygen 4.3-7.9mg/l and 87-99% saturation, pH 6.9-8.1, width 2-10m, substrate composed of stone and sand, and water coffee colored (Ref. 83529).
IUCN Red List Status: Data deficient (DD); Date assessed: 10 October 2014 Ref. (130435)
Threat to humans:  harmless


Source and more info: www.fishbase.org. For personal, classroom, and other internal use only. Not for publication.