Abstract
Fundacao Pro-TAMAR (Rua Antonio Athanazio 273, Itagua, 11680-000 Ubatuba, SP, Brazil) E-mail: bruno@tamar.org.br In Brazil, marine mammals and turtles are legally protected and are of no commercial value to the fisheries of Sao Paulo State. Mortality in fishing nets is probably the most serious threat to the conservation of marine vertebrates throughout the world, where a large number of species is accidentally captured during fishing activities (SICILIANO, 1994; BERTOZZI; ZERBINI, 2002; MAJLUF et al., 2002; LOPES et al., 2003; TUDELA et al., 2005; CARRETA et al., 2005). The evaluation and monitoring of the impact of this mortality is considered a priority action by The Brazilian Aquatic Mammals Action Plan (IBAMA, 2001). Since 1998, the Projeto BioPesca systematically monitors coastal artisanal fishery communities of the Sao Paulo State coast (BERTOZZI; ZERBINI, 2002). In Ubatuba (22
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