Preliminary results of an autonomous buoy prototype to count pelagic sharks at FADs
Résumé
Given the magnitude of the FAD-based fishery, bycatch from this fishing mode has generated conservation concerns. In particular, the silky (Carcharinus falciformis) and oceanic white tip (Carcharinus longimanus) sharks are the two major pelagic shark species that are incidentally captured at FADs (Dagorn et al., 2013). These shark species are both listed in the convention on International Trade in Endangered Species (CITES, Appendix II) and classified as Vulnerable and Critically Endangered by the international Union for Conservation of Nature (IUCN), with the oceanic whitetip shark recently listed as threatened under the United States Endangered Species Act (Young et al., 2018).
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