methyl mercury

Can Fish Contain Methyl Mercury?

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Can Fish Contain Methyl Mercury? Nearly all fish and shellfish contain traces of methylmercury. However, larger fish that have lived longer have the highest levels of methylmercury because they’ve had more time to accumulate it. These large fish (swordfish, shark, king mackerel and tilefish) pose the greatest risk. What is the level of methyl mercury

How Much Mercury Is In Fish You Eat?

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How Much Mercury Is In Fish You Eat? Shark. Ray. Swordfish. Barramundi. Gemfish. Orange roughy. Ling. Southern bluefin tuna. Which fish is high in mercury? Overall, larger and longer-lived fish tend to contain the most mercury ( 4 ). These include shark, swordfish, fresh tuna, marlin, king mackerel, tilefish from the Gulf of Mexico, and