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At EWG, 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

Download this list as a PDF.

Avoid If Pregnant

How many servings of tuna should you eat?

Use the EWG Tuna Calculator to find out.

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
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