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By: Sazima, Cristina - Moura, R. L. - Sazima, IvanType: ArticleIn: Instituto Internacional de EcologiaVolume:Series:Issue:Date: 2004-02-01Page Range:Publication Info: Instituto Internacional de Ecologia 2004-02-01Subjects: Clupeiformes convergence folding of prey Piscivory predaceous habits