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Extinction Countdown

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

Northern River Shark

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) fishes—sharks, rays and deep-sea chimaera (aka ghost sharks)—more than 30 percent are endangered, threatened, vulnerable to extinction or near threatened. Another 46 percent lack [...]

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Extinction Countdown

Last Chance for Sawfish?


All species of sawfish around the world could soon gain full protection under the U.S. Endangered Species Act, a move that comes just in time for the iconic but critically endangered creatures. Sawfish populations have dropped 90 to 99 percent over the past few decades, mostly because of coastal development in sawfish habitat and peoples’ [...]

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Extinction Countdown

Manta Rays Endangered by Sudden Demand from Chinese Medicine

Manta ray fishery

Demand for the gills of manta and mobula rays has risen dramatically in the past 10 years for use in traditional Chinese medicine (TCM), even though they were not historically used for this purpose, a team of researchers from the conservation organizations Shark Savers and WildAid has discovered. “We first came across manta and mobula [...]

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