Extinction Threatens 1/4 of Sharks and Rays on Red List
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A quarter of the world’s sharks and rays are probably threatened with extinction, according to the most extensive assessment of the marine species.
Thresher sharks, sawfishes and angel sharks are the most threatened families, according to a study by the International Union for the Conservation of Nature, which publishes the Red List of endangered species. A total of 25 species had the highest risk level and were deemed “critically endangered.”