Does All Fish Have Mercury

However, nearly all fish and shellfish contain traces of mercury. … Eat up to 12 ounces (2 average meals) a week of a variety of fish and shellfish that are lower in mercury. Five of the most commonly eaten fish that are low in mercury are shrimp, canned light tuna, salmon, pollock, and catfish.

What is the best fish to eat without mercury?

• Salmon. Salmon is favorite because of its rich nutritional profile. …
• Catfish. Catfish is a group of fish with prominent whisker-like barbels. …
• Mullet. Mullet is found in coastal temperate and tropical waters. …
• Herring. …
• Anchovies. …
• Alaska Pollock. …
• Crayfish. …
• Haddock.

Do all freshwater fish have mercury?

21, 2009— — A study released by the U.S. Geological Survey found mercury in every freshwater fish from nearly 300 streams that were tested, an astonishing result because mercury has usually been associated with large saltwater fish. “We were surprised to find mercury in every fish.