Due to their high methyl mercury content, limit white (albacore) tuna to 6 ounces per week and do not eat the following four types of fish: tilefish, shark, swordfish, and king mackerel.

由于一些海鲜甲基汞含量过高，白吞拿鱼每周不超过6盎司，不要食用以下4种鱼：方头鱼，鲨鱼，剑鱼和鲭鱼。

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Other good fish sources of omega 3 fatty acids include mackerel, lake trout, herring, sardines and albacore tuna.

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Albacore tuna is higher in mercury than canned light tuna because canned tuna is largely younger, smaller fish that haven't absorbed as much mercury.

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The agency warns, however, that pregnant and breast-feeding women shouldn't eat swordfish, tilefish, shark, or king mackerel and should limit consumption of white, albacore tuna, a commonly canned variety.

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