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our team of scientists, engineers, policy experts, lawyers and computer programmers pores over government data, legal documents, scientific studies and our own laboratory tests to expose threats to your health and the environment, and to find solutions. Our research brings to light unsettling facts that you have a right to know.
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Brain Food: Fish Women Should Avoid
EWG’s Fish List
What Women Should Know About Mercury In Fish
Avoid If Pregnant
Use the EWG Tuna Calculator to find out.
How many servings of tuna should you eat?
Shark
Swordfish
King mackerel
Tilefish
Tuna steaks
Canned tuna
Sea bass
Gulf Coast Oysters
Marlin
Halibut
Pike
Walleye
White croaker
Largemouth bass
Eat No More Than One Serving From This List Per Month
Mahi mahi
Blue mussel
Eastern oyster
Cod
Pollock
Great Lakes salmon
Gulf Coast blue crab
Channel catfish (wild)
Lake whitefish
Lowest In Mercury
Blue crab (mid-Atlantic)
Croaker
Fish Sticks
Flounder (summer)
Haddock
Trout (farmed)
Salmon (wild Pacific)
Shrimp *
* Shrimp fishing and farming practices have raised serious environmental concerns.** Farmed catfish have low mercury levels but may contain PCBs in amounts of concern for pregnant women.
Data From The 1970s
Show High Concentrations
(No Recent Data Available)
Porgy
Orange Roughy
Snapper
Lake Trout
Bluefish
Bonito
Rockfish