Which Type of Tuna Contains the Most Mercury? Bigeye Tuna Explained

Discover why bigeye tuna has the highest mercury levels and who should limit its consumption for safety.

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Bigeye tuna generally contains the highest levels of mercury among various types of tuna because of its larger size and longer lifespan, allowing more time for mercury to accumulate in its body. It's advisable to consume it sparingly, especially for pregnant women and young children, to reduce the risk of mercury exposure.

FAQs & Answers

  1. Why does bigeye tuna have higher mercury levels than other tuna? Bigeye tuna accumulates more mercury due to its larger size and longer lifespan, which gives it more time to absorb mercury from the environment and the food chain.
  2. Is it safe to eat bigeye tuna during pregnancy? Pregnant women are advised to limit or avoid bigeye tuna consumption because of its high mercury content, which can harm fetal development.
  3. Which types of tuna have the lowest mercury levels? Skipjack and light canned tuna generally have lower mercury levels compared to bigeye and albacore tuna.

Watch More

For more information on seafood safety and mercury exposure, check out our videos on mercury levels in salmon and swordfish, as well as guidelines for safe fish consumption during pregnancy.

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