Most U.S. tuna isn't really tuna, and confusion can lead to oily anal leakage

Here's some unsettling domestic news for any Americans who have grown complacent amidst the beef/horse meat scandal unfolding in Western Europe: here in the U.S., genetic analyses of fish sold in restaurants, grocery stores and sushi outlets recently revealed 59% of the fish labeled "tuna" at restaurants and grocery stores isn't actually tuna. The investigation — conducted by nonprofit ocean protection group Oceana — found sushi restaurants, of all places, were even more likely to mislabel their fish than grocers and other restaurants.

Among the study's most disquieting findings: 84% of fish labeled "white tuna" were actually escolar, a fish that can cause vomiting and "prolonged, uncontrollable, oily anal leakage" when consumed in portions larger than six ounces.


More study highlights, including maps of seafood fraud testing results and a national map of chef support for seafood traceability, at Oceana.

[Oceana via Quartz]

Top image via Shutterstock

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