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Florida Researchers Use DNA Analysis to Solve the Mystery of Two Shark Bites in New York This Summer


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Shark tooth DNA analysis reveals the true culprit behind shark attacks in New York. Photo: Flickr Creative Commons

Scientists at the Florida Program for Shark Research in Gainesville used DNA to figure out the kind of shark responsible for biting a swimmer in New York. International Shark Attack File Manager Lindsay French says the technique- analyzing DNA from tooth pulp – could be applied to decades of shark bite data.

“Now we’re going back through most of our cases in the international shark attack files where we have tooth fragments and we weren’t able to confirm the species. And now we can determine the attacking species for various historical shark bites.”

French says the two bites in the New York case were from a sand tiger shark. She says her team analyzes about 80 unprovoked bites on average each year.

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Danielle Prieur

About Danielle Prieur

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Danielle Prieur grew up listening to her grandfather’s stories of swimming across the Detroit River from Canada and many other adventures. She’s been into storytelling ever since. She studied journalism at Northwestern University. She covers local and breaking news and is a backup host for "All Things ... Read Full Bio »

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