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By: Soto, J. M. R.Type: ArticleIn: Instituto Internacional de EcologiaVolume:Series:Issue:Date: 2003-11-01Page Range:Publication Info: Instituto Internacional de Ecologia 2003-11-01Subjects: Carcharias taurus Chondrichthyes ectoparasitism Hirudinea Squatina spp Stibarobdella loricata