Fish That Don T Contain Mercury

Fish take up mercury from streams and oceans as they feed.
Fish that don t contain mercury. As small fish are eaten by larger fish up the food chain concentrations of mercury and pops increase so that large predatory deep ocean fish tend to contain the highest. These figures are measured in micrograms of mercury per 4 ounces of. Most people are exposed to mercury via food. However some types of fish can contain high levels of mercury.
This mercury is in the more toxic methylmercury form. Remember the younger and smaller the fish the safer since the amount of mercury increases every time a larger fish eats a small fish. Because tuna steak generally contains higher levels of mercury than canned light tuna when choosing your two meals of fish and shellfish you may eat up to 6 ounces one average meal of tuna. However nearly all fish and shellfish contain traces of mercury a toxic metal and some seafood contains other contaminants known as persistent organic pollutants pops.
Food processing preparation and cooking techniques don t significantly reduce the amount of mercury in fish. Fish and shellfish concentrate mercury in their bodies often in the form of methylmercury a highly toxic organomercury compound. That s because it s a great source of protein micronutrients and healthy fats. Fish is one of the healthiest foods you can eat.