Pacoureau N, Rigby CL, Kyne PM, Sherley RB, Winker H, Carlson JK, Fordham SV, Barreto R, Fernando D, Francis MP, et al. Half a century of global decline in oceanic sharks and rays. Nature [Internet]. 2021  ;589(7843):567 - 571. Available from: http://www.nature.com/articles/s41586-020-03173-9