'Extinction crisis' of sharks and rays to have devastating effect on other species, study finds

Almost two-thirds of sharks and rays living on world's coral reefs at risk, with 14 of 134 species reviewed critically endangeredGet our morning and afternoon news emails, free app or daily news podcastAlmost two-thirds of sharks and rays that live around the world's coral reefs are threatened with extinction with potentially dire knock-on effects for ecosystems and coastal communities, according to new research.Overfishing was the main cause of the declines over the past half a century, with larger sharks and rays being particularly hard hit.Sign up for Guardian Australia's free morning and afternoon email newsletters for your daily news roundup Continue reading...