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30 Percent of Sharks, Rays and Related Species at Risk of Extinction

The first worldwide analysis of the extinction threat of all sharks and related species has just been published, and the news is sobering. Of the 1,041 known species of chondrichthyan (cartilaginous) fishessharks, rays and deep-sea chimaera (aka ghost sharks)more than 30 percent are endangered, threatened, vulnerable to extinction or near threatened.

January 21, 2014 — John R. Platt

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