Hg Levels in Fish Know the Mercury Levels in the Fish You Choose to Eat 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. 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. Click here to return to the Advisory Main Page.