A recent study has produced some astonishing and disturbing results. Tuna was ordered from 31 sushi restaurants. Genetic tests were then used to identify the species of fish ordered. Nineteen of the restaurants surveyed incorrectly described or could could not indicate which species of fish they had served. A few establishments actually served endangered bluefin tuna not knowing which tuna type they were selling to their customers.

Read More: http://planetsave.com/blog/2009/11/26/some-restaurant-sushi-contains-endangered-species/