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Science Bulletins: Scientists Trace Shark Fin Trade

Because of the demand for shark fin soup, the global hunt for sharks has now reached immense proportions: up to 73 million sharks per year, say biologists at the Institute for Ocean Conservation Science. Fin traders seldom reveal their sources, so it's difficult to know where the sharks are hunted. Researchers from the institute are using genetic tracking to pinpoint the geographic origins of sharks whose fins are sold in Hong Kong markets. The information can aid international trade agencies deciding how to best protect the fish.
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