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All fish have some levels of mercury in them. Some fish have more mercury than others. Fish that eat other fish, or fish that are long-lived tend to have more mercury than smaller less predatory fish.

The following poster identifies the typical (average) amounts of mercury in commonly consumed commercial and sport-caught fish. Using this chart allows you to make lower mercury fish a larger part of your diet. Pregnant and nursing women should be especially careful about eating fish that have higher mercury levels.

 

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