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Species of fish that are long-lived and high on the food chain, such as marlin, tuna, shark, swordfish, king mackerel and tilefish contain higher concentrations of mercury than others. [4] Cetaceans ( whales and dolphins ) also bioaccumulate mercury and other pollutants, so populations that eat whale meat , such as the Japanese , Icelanders ...
Swordfish is a particularly popular fish for cooking. Since swordfish are large, meat is usually sold as steaks, which are often grilled. Swordfish meat is relatively firm, and can be cooked in ways more fragile types of fish cannot (such as over a grill on skewers).
This process explains why predatory fish such as swordfish and sharks or birds like osprey and eagles have higher concentrations of mercury in their tissue than could be accounted for by direct exposure alone. For example, herring contains mercury at approximately 0.01 parts per million (ppm) and shark contains mercury at greater than 1 ppm. [6]
Fish high in mercury, such as bigeye tuna, swordfish and king mackerel, can lead to mercury accumulation in a toddler's developing brain, potentially affecting cognitive and neurological functioning.
The mercury applied to lakes was found in young-of-the-year yellow perch within two months, whereas the mercury applied to wetlands and uplands had a slower but longer influx. [ 22 ] [ 23 ] Acute methylmercury poisoning can occur either directly from the release of methylmercury into the environment or indirectly from the release of inorganic ...
Fish that are predatory, i.e., eat other fish, are more likely to have higher mercury levels. This includes tuna, mackerel, and swordfish, however, feeding small amounts of these fish infrequently ...
These include swordfish, shark, albacore tuna, yellowfin tuna, tilefish and Spanish mackerel, according to the FDA. If you can, avoid or limit eating farm-raised seafood and always opt for wild ...
According to the United States Food and Drug Administration, swordfish is one of four fishes, along with tilefish, shark, and king mackerel, that children and pregnant women should avoid due to high levels of methylmercury found in these fish and the consequent risk of mercury poisoning [broken anchor]. [60] [61]