How Much Heavy Metals Are In Fish?
How Much Heavy Metals Are In Fish? American lobster: 0.107 ppm. Whitefish: 0.089 ppm. Herring: 0.084 ppm. Hake: 0.079 ppm. What fish has the most heavy metals? In short, scientists observed that dogfish, swordfish, mussels and cockles are the species of fish and shellfish that accumulate the greatest amount of toxic metals, such as mercury