Fishes with Low & High Mercury

Almost all the fish in the world is contaminated with mercury. Some fish species contain more and some contain less. It depends on where the fish lived and how long it lived.
In general larger and older fish are more heavily contaminated with mercury.
Those include:

  • Shark
  • Swordfish
  • King Mackerel
  • Tilefish
  • Striped Bas
  • Largemouth Bass
  • Marlin
  • Bluefish
  • Grouper
Low in mercury fishes are :
  • Shirmp
  • Canned light tuna
  • Salmon
  • Pollock
  • Catfish
  • Mahi Mahi
  • Cod
  • Halibut
  • Butterfish
  • Crab
  • Oyster
  • Squid
  • Rainbow trout
Note that Albacore ("white") canned tuna has more mercury than canned light tuna.


Eat fish not more than two times a week (about 12 oz) and choose from the list of those less contaminated with mercury (especially when you`re pregnant or nursing) and stick to the suggested diet. But do keep fish in your diet plan, as it is beneficial for heart and brain and contains a variety of nutrients. 

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