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11:22 am, October 24, 2014

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Study shows mercury levels vary by species in tuna

DNA barcoding of a few species of tuna shows they contain different levels of mercury, and ones with lower concentrations are often the fish sold in sushi from supermakets.

Tags: fish , Tuna , Yellowtail , Yellowfin , mercury

Wednesday - 04/21/2010, 01:30pm EDT