Diagnostic Description
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英語
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Differs from all species of the genus by the following characters: number of anterior anal-fin rays covered by a scales row 4-11 (vs.11-26 except Bryconamericus orinocoens with 1-6, from which is distinguished by the higher number of branched anal-fin rays 19 -26 vs. 16-17); lateral line scales 39-45 (vs.31-32); in males, spines number on each fin rays (anal 2-10 vs. 9-23; pelvic 2-9 vs. 8-20; pectoral 2-6 vs.9-28; and dorsal 3-6 vs. 6-18 (Ref. 82388).