14. ⭐ Is Swordfish high in mercury? But some types of seafood — particularly large, predatory fish such as shark, swordfish, king mackerel and tilefish — can contain high levels of mercury. The media, in cooperation with scientists, public health nutritionists and dietitians, should place more emphasis on the existence of a few fish species with high to very high mercury levels and relatively low contents of beneficial omega-3 fatty acids. Swordfish. Because the way chemicals get concentrated as you go up the food chain, swordfish end up with a large concentration of mercury in them. Yes, this fish along with king mackerel, shark, and marlin contain a lot of mercury. The portions of dark meat in fillets should be red, not brown. Swordfish; Marlin; Orange roughy; Ahi Tuna; Bigeye tuna; High Mercury Fish. The table is sorted by MERCURY CONCENTRATION MEAN (PPM) from fish with lowest levels of mercury to highest levels of mercury. Swordfish … For men, the recommendation is to eat no more than one serving a month. You may also sort the table by SPECIES in alphabetical order. In fact, the mercury in this fish is so high that the Environmental Defense Fund recommends women and children avoid it altogether. Go up the food chain and you get to the higher predators like swordfish. Since swordfish is one of the biggest we consume, it contains a lot of this element. This large, predatory fish contains elevated levels. Ideally, all seafood contains mercury. Swordfish flesh is typically white or tinged with pink, but not beige. Some of the fish and seafood with high mercury levels include: • Shark • Swordfish • Tilefish • King mackerel Here are some low-mercury fish choices and fish to avoid. Since this fish consumes a wide variety of prey and lives for a long time, it can accumulate significant amounts of mercury ( 23 ). 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. All water eventually flows into the ocean carrying the mercury. Here are the fish with the highest amounts of mercury: Tilefish (Gulf of Mexico) – Containing a whopping average 219 micrograms of mercury, the tilefish native to the Gulf of Mexico, tops the list of mercury-tainted seafood. ⭐ Why is swordfish high in mercury? The older and bigger the fish is the more mercury it accumulates. Mercury is the main concern when it comes to avoiding swordfish. Swordfish are a large predatory fish high on the food chain. 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. 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