From: New Scientist staff and Reuters
Published August 22, 2008 09:13 AM

Teenage DNA detectives expose US fish fraud

Up to a quarter of fish in stores and restaurants in New York City was mislabelled as a more expensive variety, according to samples collected by two US teenagers and tested with genetic "barcoding" methods.

In the worst cases, two samples of filleted fish sold as red snapper, caught mostly off the southeast United States and in the Caribbean, were instead the endangered Acadian redfish from the North Atlantic, according to the tests, revealed on Friday.

"We never expected these results. People should get what they pay for," said Kate Stoeckle, 18, of the project with Louisa Strauss, 17.

The two classmates from New York's Trinity school collected and sent off 60 fish samples to the University of Guelph in Canada. Of 56 samples that could be identified by a the DNA barcoding identification technique, 14 were mislabelled.

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