
Sharks at unprecedented risk of extinction after 71 per cent decline
Numbers of oceanic sharks and rays have declined at what researchers describe as an “alarming” 71 per cent over almost half a century, leading to what researchers say is an unprecedented increase in risk of extinction.
Conservationists have been warning for years about the unsustainable killing of the apex predators, based on regional reports and data on individual species, but a paper published today is the first to offer an authoritative global overview