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SESK: Stuff Everyone Should Know · sesk.info/fish-mercury-avoid

Which fish is on the FDA's highest mercury list to avoid?

Swordfish.

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  1. Swordfish ✔
  2. Salmon
  3. Catfish

Why: FDA lists king mackerel, marlin, orange roughy, shark, swordfish, tilefish (Gulf of Mexico) and bigeye tuna as highest mercury.

Huh, didn't know that: For fish caught by family or friends, FDA says to check local fish advisories.

The dad joke
What is King Arthur's favorite fish? A swordfish.
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References

Answer: Swordfish. FDA lists king mackerel, marlin, orange roughy, shark, swordfish, tilefish (Gulf of Mexico) and bigeye tuna as highest mercury.

  1. FDA Advice About Eating Fish www.fda.gov/food/consumers/advice-about-eating-fish
    Swordfish Choice to Avoid: HIGHEST MERCURY LEVELS
    Checked 2026-10-10.
  2. FDA Advice About Eating Fish www.fda.gov/food/consumers/advice-about-eating-fish
    Check for fish and shellfish advisories
    Checked 2026-10-10.

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