Hemibrycon jelskii (Steindachner, 1876)
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Family:  Characidae (Characins), subfamily: Stevardiinae
Max. size:  7.79 cm SL (male/unsexed); 10.17 cm SL (female)
Environment:  benthopelagic
Distribution:  South America: widespread in the upper portions of río Marañon, río Ucayali, and headwater rivers of río Madeira-Mamoré drainages in Bolivia, Brazil and Peru.
Diagnosis:  Dorsal soft rays (total): 8-8; Anal soft rays: 25-30; Vertebrae: 38-40. This species is distinguished from its congeners, except H. helleri, by the size of humeral spot (over 7-9 vs. 3-6 horizontal series of scales); differs from H. helleri by the number of branched anal-fin rays (25-30 vs. 19-23), and by the number of scales along anal-fin base scale sheath (13-28 vs. 6-12); differs from H. divisorensis, by the absence of a wide black asymmetrical spot covering base of caudal-fin rays and black band in the lower half of the caudal peduncle (vs. presence), and by the number of scale rows above and below lateral line (7-9 and 5-7 vs. 6-7 and 4-5, respectively) (Ref. 85819).
IUCN Red List Status: Not Evaluated (N.E.) Ref. (120744)
Threat to humans:  harmless
Country info:   

Entered by: Torres, Armi G. - 02.02.99
Modified by: Torres, Armi G. - 11.12.12
Checked by: Capuli, Estelita Emily - 25.02.11

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