Which Fish Have the Most Mercury?

Big fish have more mercury for the simple reason that big fish usually live longer. They have more time to build up higher levels of mercury in their bodies. The Environmental Protection Agency (EPA) recommends checking local advisories for the mercury content of fish caught in your area using thi See the lists below for general mercury levels of many common types of fish and how much of each type to eat (according to the National Resource Defense Council):

LOWEST MERCURY

Eat 2-3 servings a week (pregnant women and small children should not eat more than 12 ounces (2 servings):

• Anchovies
• Catfish
• Clam
• Crab
• Crawfish
• Flounder
• Haddock
• Herring
• Mackerel
• Mullet
• Oyster
• Perch
• Pollock
• Salmon
• Sardine
• Scallop
• Shrimp
• Sole
• Squid
• Tilapia
• Trout
• Whitefish

MODERATE MERCURY

Eat six servings or fewer per month (pregnant women and small children should avoid these):

• Bass
• Carp
• Cod
• Halibut
• Lobster
• Mahi Mahi
• Monkfish
• Perch
• Snapper
• Tuna (Canned Chunk light)

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