| Family: |
Characidae (Characins; tetras), subfamily: Stevardiinae |
| Max. size: |
9.935 cm SL (male/unsexed) |
| Environment: |
benthopelagic; freshwater |
| Distribution: |
South America: Río La Miel basin, middle Río Magdalena in Colombia. |
| Diagnosis: |
Vertebrae: 42-43. Diagnosed from other species of Hemibrycon by possessing the following characters: a widened first tooth on the maxilla with the remaining teeth decreasing sharply in size; the first maxilla tooth pentacuspid and wider than the others (vs. first tooth on maxilla unicuspid or tricuspid and of same size as the others, except in Hemibrycon colombianus and Hemibrycon virolinica); absence of an expansion on the ventral anterior tip of the maxilla (vs. with expansion on the ventral anterior tip of the maxilla, except in Hemibrycon metae). Diagnosed from Hemibrycon colombianus in having 42-46 pored scales in the lateral line (vs. 46-54); and from the species of Hemibrycon from the upper and middle Río Magdalena drainage in having 25-29 branched anal-fin rays (vs. 19-24) (Ref. 83529).
Description: Dorsal fin ii-iii,7-8; anal fin iii-iv,23-28; pectoral fin ii,9-11; pelvic fin ii-iii,6 (Ref. 83529). |
| Biology: |
Inhabits creeks with surface temperature 21.5°C, air temperature 22.4°C, dissolved oxygen
7.0mg/l and 60% saturation, width 5-6 m, substrate composed of stone, sand, and decaying organic in decomposition and detritus and crystalline water (Ref. 83529). |
| IUCN Red List Status: |
Data deficient (DD); Date assessed: 10 October 2014 Ref. (130435)
|
| Threat to humans: |
harmless |
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