Do not eat Shark, Swordfish, King Mackerel, or Tilefish because they contain high levels of mercury. ... Five of the most commonly eaten fish that are low in mercury are shrimp, canned light tuna, salmon, pollock, and catfish.

Is small mackerel high in mercury?

Mackerel. Atlantic and Atka mackerel from Alaska are high in inflammation-fighting omega-3s and low in mercury, but not all mackerel get a thumbs-up.

Is there a lot of mercury in mackerel?

Fish get mercury from the water they live in. All types of fish contain some amount of mercury. ... Bigeye tuna, marlin, and king mackerel also contain high levels of mercury. It's also possible to develop mercury poisoning from eating too much seafood.