Fishing gear modifications to reduce elasmobranch mortality in pelagic and bottom longline fisheries off Northeast Brazil

By A. Afonso, F. Hazin, F. Carvalho, José C. Pacheco, H. Hazin, D. Kerstetter, D. Murie, G. Burgess. 2011

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Extinction of a shark population in the Archipelago of Saint Paul's Rocks (equatorial Atlantic) inferred from the historical record (2011, background): “The major threats for these species are longlines and other bait-fishing activities around islands and seamounts throughout their range (Cavanagh et al., 2003; Afonso et al., 2011; Robbins et al., 2011; Whoriskey et al., 2011).”
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): “Most studies report a hooking mortality of 12–27% (Francis et al., 2004; Mandelman et al., 2008; Campana et al., 2009; Afonso et al., 2011; Coelho et al., 2012; Gallagher et al., 2014), which encompasses the 14.”
Global catches, exploitation rates, and rebuilding options for sharks (2013, unknown): “2 7800 [68] Tuna Atlantic Southeast 2000–2005 12.”
An overview of the hooking mortality of elasmobranchs caught in a swordfish pelagic longline fishery in the Atlantic Ocean (2012, background): “…Morgan and Burgess (2007) and Morgan and Carlson (2010) analysed hooking mortality of coastal sharks caught in the U.S. bottom longline fishery, while Afonso et al. (2011) analysed fishing gear modifications that could reduce elasmobranch mortality in bottom and pelagic longlines in Brazil.”