Trophic relationships in fish assemblages of Neotropical floodplain lakes: selectivity and feeding overlap mediated by food availability

ABSTRACT. The relationships between the degree of dietary overlap and food availability, and implications for food selectivity of fish species were evaluated at floodplain lakes on the upper Paraná River floodplain, Brazil. The hypothesis tested were: i) species become less selective in lakes with h...

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Bibliographic Details
Main Authors: Rosa Maria Dias, Jean Carlo Gonçalves Ortega, Luiz Carlos Gomes, Angelo Antonio Agostinho
Format: Article
Language:English
Published: Fundação Zoobotânica do Rio Grande do Sul 2017-10-01
Series:Iheringia: Série Zoologia
Subjects:
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0073-47212017000100292&lng=en&tlng=en