Bryconamericus bucayensis Román-Valencia, Ruiz-C., Taphorn & García-A., 2013

Family:  Characidae (Characins; tetras), subfamily: Stevardiinae
Max. size:  8.71 cm SL (male/unsexed)
Environment:  benthopelagic; freshwater
Distribution:  South America: Bucaya, Tengui, Tenguel, and Guayas Rivers in Ecuador.
Diagnosis:  Dorsal soft rays (total): 11-11; Vertebrae: 37-38. This species differs from all its congeners by having 7-8 scales between the lateral line and the pelvic-fin insertions (vs. 2-7, except Bryconamericus terrabensis with 7-8 and B. arilepis with 9-10); 33-38 branched anal-fin rays (vs. 31 or fewer); 28-31 anterior anal-fin rays covered by a row of scales at their bases (vs. 4-26); presence of a wide anterior maxillary tooth, at least twice as wide as the posterior tooth, both of which are pentacuspid (vs. maxillary teeth of same size) (Ref. 93958). Description: Anal-fin rays: iv-v, 33-38, v, 35 (Ref. 93958).
Biology: 
IUCN Red List Status: Least Concern (LC); Date assessed: 22 July 2020 Ref. (130435)
Threat to humans:  harmless


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