Mazzoni, R Niche enlargement as a consequence of co-existence: a case study. [electronic resource] - Brazilian journal of biology = Revista brasleira de biologia May 2012 - 267-74 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 1678-4375 Standard No.: 10.1590/s1519-69842012000200006 doi Subjects--Topical Terms: AnimalsCharacidae--classificationFeeding Behavior--physiologyGastrointestinal ContentsSeasons