Global patterns in the bycatch of sharks and rays

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Discards, hooking, and post-release mortality of porbeagle (Lamna nasus), shortfin mako (Isurus oxyrinchus), and blue shark (Prionace glauca) in the Canadian pelagic longline fishery (2016, background): “(Prionace glauca), shortfin mako (Isurus oxyrinchus), and porbeagle (Lamna nasus) are among the most common pelagic sharks caught in the North Atlantic, but the bycatch rates of blue sharks far outstrips those of other species, both in the Atlantic and worldwide (Bonfil, 1994; Oliver et al., 2015).”
Overfishing drives over one-third of all sharks and rays toward a global extinction crisis. (2021, unknown): “The issue of incidental capture is central to chondrichthyan conservation, but definitions and perceptions vary quite widely, from catch that is discarded to that which is retained for consumption and sale, alongside the focal or target species of the fishery.(20,71) IUCN data reflect whether catch ”
Use of marine protected areas and exclusive economic zones in the subtropical western North Atlantic Ocean by large highly mobile sharks (2016, unknown): “for shark fins and meat), and by incidental bycatch (Musick & Musick, 2011; Worm et al., 2013; Oliver et al., 2015).”