Third of shark and ray species face extinction, warns study

Third of shark and ray species face extinction, warns study

Number of species of sharks, rays and chimaeras facing ‘global extinction crisis’ doubles in a decade

A third of shark and ray species have been overfished to near extinction, according to an eight-year scientific study.

“Sharks and rays are the canary in the coalmine of overfishing. If I tell you that three-quarters of tropical and subtropical coastal species are threatened, just imagine a David Attenborough series with 75% of its predators gone. If sharks are declining, there’s a serious problem with fishing,” said the paper’s lead author, Prof Nicholas Dulvy, of Canada’s Simon Fraser University.

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