Nutrition

What Do You Know About Mercury in Fish?

Nearly all fish and shellfish have some mercury in them, the federal government says. Find out how much you know about mercury in fish by taking this quiz.

1. Mercury in the environment can cause health problems when it is in which form?




2. Which of these ocean creatures have the highest amount of methylmercury in them?





3. People are more likely to get the most methylmercury by eating:





4. Mercury is most harmful to:





5. Which agency is responsible for watching mercury levels in bodies of water?





6. High levels of methylmercury can cause:






7. Which fish should not be eaten by pregnant or breastfeeding people, or children?






8. How much fish should a pregnant person have each week?





Author: Lambert, J.G. M.D.

Online Medical Reviewer: Dansinger, Michael MD

Online Medical Reviewer: Poulson, Brittany, MDA RDN CD CDE

Online Medical Reviewer: Wojcik, Stacey, MBS, BSN, RN

Date Last Reviewed: 05/01/2023

© 2000-2026 The StayWell Company, LLC. All rights reserved. This information is not intended as a substitute for professional medical care. Always follow your healthcare professional's instructions.
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