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Researchers Track Hammerhead Shark Fins To Source Using DNA Barcodes

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For the first time, DNA tools have successfully pinpointed the geographic origin of shark fins sold dried in markets to satisfy the demand for shark fin soup, a Chinese delicacy.

Using CSI-like genetic methods, scientists have traced scalloped hammerhead shark fins from a burgeoning Hong Kong fish market to the sharks' original populations, some of which are endangered and located in waters thousands of miles away, according to a new study published in the journal Endangered Species Research.

"Shark fins are popular because serving fin soup at important events, such as weddings and banquets, is a sign of wealth and status," lead author Demian Chapman told Discovery News. "Think of it as a Lexus in a bowl."
 
 

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