Which fish species are low in mercury and which are high

Almost all the fish in the world is contaminated with mercury. Some fish species contain more and some less. It depends on where the fish lived and how long it lived for.

In general larger and older fish are more heavily contaminated with mercury. Those include: shark, swordfish, king mackerel, tilefish, striped bass, largemouth bass and catfish.

Low in mercury are: shrimp, canned light tuna, salmon, pollock and catfish. Note that albacore ("white") canned tuna has more mercury than canned light tuna.

Recommendation: eat fish not more then two times a week (about 12 oz.) and choose from the list of less contaminated with mercury fish.