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Brain Food

What women should know about mercury contamination of fish

April 1, 2001

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

  • 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