Aphyocharax yekwanae Willink, Chernoff & Machado-Allison, 2003

Family:  Characidae (Characins; tetras), subfamily: Aphyocharacinae
Max. size:  5.64 cm SL (male/unsexed)
Environment:  pelagic; freshwater
Distribution:  South America: Venezuela.
Diagnosis:  Dorsal soft rays (total): 9-9; Anal soft rays: 15-17; Vertebrae: 36-37. Body with bright red coloration, from vertical through second to fifth branched anal-fin ray to vertical through apex of fork in caudal fin; adipose and posterior 2/3 of anal fin red. This coloration is believed to be autapomorphic. Distal margin of anal fin clear. Maxillary teeth 11-16; incompletely toothed maxilla (Ref. 49521).
Biology:  Common in the lee side of islands and protected backwaters of the main river channel; sand with some rocks bottom. Also collected near mouths of streams where it could be muddy and covered with terrestrial plant leaves. Aquatic vegetation almost always absent; water clear to moderately turbid (Ref. 49521).
IUCN Red List Status: Vulnerable (VU); Date assessed: 18 August 2017 (B1ab(iii)+2ab(iii)) Ref. (130435)
Threat to humans:  harmless

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