EWG’s Fish List

What Women Should Know About Mercury In Fish

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Avoid If Pregnant

• 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