Sushi Often Not What You Think

Giant Atlantic bluefin tuna from Prince Edward Island, Canada. Credit: Jay R. Rooker

From Live Science:

That tuna in your sushi might be an endangered species, a new study finds.

Some genetic detective work by scientists has shown that bluefin tuna, an endangered fish, regularly gets put on the plates of sushi eaters in New York and Colorado.

"When you eat sushi, you can unknowingly get a critically endangered species on your plate," said Jacob Lowenstein, a graduate student affiliated with the American Museum of Natural History in New York and Columbia University. "But with an increasingly popular technique, DNA barcoding, it is a simple process for researchers to see just what species are eaten at a sushi bar."

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