Bryconamericus ecai da Silva, 2004

Family:  Characidae (Characins; tetras), subfamily: Stevardiinae
Max. size:  7.51 cm SL (male/unsexed)
Environment:  benthopelagic; freshwater
Distribution:  South America: Laguna dos Patos drainage in Rio Grande do Sul, Brazil.
Diagnosis:  Distinguished from other species of Bryconamericus by the combination of the following characters: body depth 33.1-36.9% SL, mean 34.9; eye diameter 31.1-33.9% HL, mean 32.3; snout length 26.8-32.4% HL, mean 29.6; branched anal-fin rays 15-18; teeth of inner row of premaxilla tricuspid or pentacuspid; teeth compressed distally; and males with bony hooks on pelvic and anal fins (Ref. 54750). Description: Dorsal-fin rays ii,8. Anal-fin rays iii-iv,15-18. Pectoral-fin rays i,10-12. Pelvic-fin rays i,6-7 (Ref. 54750).
Biology:  Occurs in a creek with clear to turbid water, light to moderate water current and bottom with stones and sand (Ref. 54750).
IUCN Red List Status: Data deficient (DD); Date assessed: 07 November 2018 Ref. (130435)
Threat to humans:  harmless


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