Sharks & Rays

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Dr. Demian Chapman of the Institute for Ocean Conservation Science at New York’s Stony Brook University explains how DNA extraction from shark fins can identify the species of shark and where the shark was...
by Caty Fairclough Sharks have been feared hunters ever since people first...
The pre-industrial American landscape was once rightly described as a place...

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An X-ray image of a Monterey skate ( Raja montereyensis ) reveals a spine that extends like a tail out from the pelvic fin. The skeletons of skates, rays, chimaeras, and sharks are made of cartilage, rather than bone. Scientists...
The smallest shark, a dwarf lantern shark ( Etmopterus perryi ) is smaller...

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There are more than 500 species of sharks swimming in the world’s ocean. Yet when most people think of these cartilaginous...
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