Because the way chemicals get concentrated as you go up the food chain, swordfish end up with a large concentration of mercury in them. Before shopping for seafood, familiarize yourself with the levels of mercury in fish. Two fish species that were mentioned as an example were swordfish and shark. ⭐ Is Swordfish high in mercury? However, some seafood has high levels of mercury while some have minute levels. Swordfish … Sharing is caring! Yes, this fish along with king mackerel, shark, and marlin contain a lot of mercury. Go up the food chain and you get to the higher predators like swordfish. While not the highest in mercury, you’ll still have to limit these mercury-containing fish to three 6-ounce servings (or less) per month, note the Natural Resources Defense Council and American Pregnancy Association. High concentrations of mercury, a neurotoxin that can damage developing brains in fetuses, are found in some kinds of popular fish such as albacore tuna. All water eventually flows into the ocean carrying the mercury. Here are some low-mercury fish choices and fish to avoid. ⭐ Why is swordfish high in mercury? Since this fish consumes a wide variety of prey and lives for a long time, it can accumulate significant amounts of mercury ( 23 ). Mercury is the main concern when it comes to avoiding swordfish. Swordfish flesh is typically white or tinged with pink, but not beige. Mercury compounds are pollutants that get into the environment. Shark – 151 micrograms of mercury; Swordfish – 147 micrograms of mercury; Mackerel King – 110 micrograms of mercury The table is sorted by MERCURY CONCENTRATION MEAN (PPM) from fish with lowest levels of mercury to highest levels of mercury. This large, predatory fish contains elevated levels. Although the mercury in seafood isn't a concern for most adults, special precautions apply if you're pregnant or planning to become pregnant. For men, the recommendation is to eat no more than one serving a month. Since swordfish is one of the biggest we consume, it contains a lot of this element. The older and bigger the fish is the more mercury it accumulates. Ideally, all seafood contains mercury. The agencies advise that young children and women of childbearing age avoid four fish with the highest mercury levels: swordfish, shark, king mackerel, and tilefish from the Gulf of Mexico. Some of the fish and seafood with high mercury levels include: • Shark • Swordfish • Tilefish • King mackerel The portions of dark meat in fillets should be red, not brown. 14. In fact, the mercury in this fish is so high that the Environmental Defense Fund recommends women and children avoid it altogether. But some types of seafood — particularly large, predatory fish such as shark, swordfish, king mackerel and tilefish — can contain high levels of mercury. Swordfish are a large predatory fish high on the food chain. Swordfish. 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