Hemibrycon surinamensis Géry, 1962
Hemibrycon surinamensis
photo by Brosse, S.

Family:  Characidae (Characins; tetras), subfamily: Stevardiinae
Max. size:  9.5 cm SL (male/unsexed); max.weight: 19.4 g
Environment:  benthopelagic; freshwater
Distribution:  South America: coastal basins of French Guiana and Suriname and from lower rios Tapajós, Tocantins and Xigu basins, Pará, Brazil.
Diagnosis:  Dorsal soft rays (total): 8-8; Anal soft rays: 26-27; Vertebrae: 38-39. This species is distinguished from its congeners, except H. divisorensis, by the presence of a wide black asymmetrical spot covering base of caudal-fin rays and extending along entire length of caudal-fin rays 9 to 12-13. It differs from H. divisorensis by the absence of a black band in the lower half of the caudal peduncle from the region above the last anal-fin rays to the caudal-fin base, and by the smaller number of scales along anal-fin base scale sheath (15-16 vs. 17-22) (Ref. 85819).
Biology:  Rare and not well known (Ref. 12225).
IUCN Red List Status: Least Concern (LC); Date assessed: 04 March 2021 Ref. (130435)
Threat to humans:  harmless


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