Hyphessobrycon eilyos Lima & Moreira, 2003
photo by Hoffmann, P. and M. Hoffmann

Family:  Characidae (Characins; tetras), subfamily: Stethaprioninae
Max. size:  2.47 cm (male/unsexed)
Environment:  pelagic; freshwater
Distribution:  South America: Brazil.
Diagnosis:  Vertebrae: 32-34. Diagnosis: Hyphessobrycon eilyos is distinguished from its congeners by the absence of humeral and caudal spots; by the presence of numerous dark chromatophores on the lateral surface of the body, with the chromatophores intensely concentrated on the ventral region from the pelvic-fin origin to the end of the caudal-fin base; dorsal, adipose, and caudal fins with carmine red pigmentation in life; the presence of 7-11 maxillary teeth; 6 or 7 horizontal scale rows between the dorsal fin origin and the lateral line; and 15 to 19 branched anal-fin rays. Detailed comparisons between H. eilyos and congeners sharing a general dark color pattern are presented in the "Discussion" (Ref. 52338).
Biology: 
IUCN Red List Status: Near Threatened (NT); Date assessed: 07 November 2018 (B1b(iii)) Ref. (130435)
Threat to humans:  harmless


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