Hemibrycon huambonicus (Steindachner, 1882)
Hemibrycon huambonicus
photo by Galtier Delbosc, M.

Family:  Characidae (Characins), subfamily: Stevardiinae
Max. size:  11.9 cm SL (male/unsexed)
Environment:  benthopelagic
Distribution:  South America: Amazon River basin and mountain streams of the eastern slope of Peru and the Beni River basin.
Diagnosis:  Dorsal soft rays (total): 8-8; Anal soft rays: 22-27; Vertebrae: 42-43. This species is distinguished from most of its congeners by the number of lateral line scales 44-48 (vs. 39-43 or 48-58). It differs from H. beni, and H. dentatus by the number of branched anal-fin rays (22-27 vs. 15-19 and 28-34, respectively); from H. cairoense by the number of scale rows above lateral line (8-10 vs. 6-7); from H. helleri by the number of scales along anal-fin base scale sheath (17-26 vs. 6-12) and the number of scale rows above lateral line (8-10 vs. 7-8); from H. polyodon by the number of caudal peduncle scales (18-20 vs. 16), head length (22.0-26.0 vs. 20.9-22.9% SL), and upper jaw length (45.2-52.6 vs. 43.7-45.6% HL); from H. raqueliae by the number of predorsal scales (15-19 vs. 10-13) and by the number of cusps of first maxillary tooth (3 vs. 5) (Ref. 85819).
Biology: 
IUCN Red List Status: Least Concern (LC); Date assessed: 24 April 2014 Ref. (119314)
Threat to humans:  harmless
Country info:   
 

Entered by: Torres, Armi G. - 01.02.99
Modified by: Torres, Armi G. - 25.02.11
Checked by: Oyakawa, Osvaldo T. - 22.10.01

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