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By: Brasil-Sato, Marília de Carvalho - Pavanelli, Gilberto CezarType: ArticleIn: Revista Brasileira de ZoologiaVolume:Series:Issue:Date: 1999-03-01Page Range:Publication Info:Subjects: Acanthocephala Ecology Neoechinorhynchus pimelodi Pimelodus maculatus Reproduction