Nearly 40 sharks and rays reclassified as threatened, including one species of ray already possibly extinct April 1, 2021 New updates on the conservation status of sharks and rays released today by the International Union for Conservation of Nature (IUCN) show that 39 additional species are now facing a risk of extinction in the wild. Read more about Nearly 40 sharks and rays reclassified as threatened, including one species of ray already possibly extinct