Word: mackerel
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...fatty-acid craze threatening our ecosystem? The best omega-3 source is oily fish like salmon, mackerel and sardines. Environmentalists fear that some species - especially a small filter feeder called menhaden, which plays a critical role in the aquatic food chain - are being overfished for oil supplements. Bigger fish prey on menhaden, which eat omega-3-rich algae and in doing so clean the ocean waters off the Atlantic and Gulf coasts. By filtering up to 7 gal. (about 26 L) per min., menhaden help prevent oxygen-depleting algal blooms that lead to underwater dead zones...
...both sides of the planet depend on it. Off the coast of the Spanish port of Cartagena, hundreds of seagulls swarm the same patch of water six days a week, waiting for a boat to arrive and uncoil a long, plastic tube into the water. As sardines and mackerel are pumped into the deep, the water begins to churn. Hundreds of bluefin tuna, circling in vast cages beneath the water's surface, duke it out for their daily meal. This is a tuna ranch, a method that started in the Mediterranean in 1996 and now dominates the Atlantic bluefin industry...
...there are questioning whether the omega-3 benefits of fish consumption outweigh the risks of getting too much mercury. The FDA has taken a tough stance, advising women who are pregnant, nursing mothers and young children to avoid eating fish that is high in mercury, such as swordfish, king mackerel and tilefish, and to limit consumption of albacore tuna to six ounces per week. (Read: "The Hunt for Tuna: A Tough Catch...
...studies show that these essential fatty acids can help prevent cardiovascular disease and some scientists believe they are also beneficial for the brain and nervous system. But not all omega-3s are created equal. The ones with the biggest health benefits are found in fish like salmon and mackerel, which have the two long chain fatty acids docosahexaenoic (DHA) and eicosapentaenoic (EPA). Plant-derived omega-3s - the fatty acids found in flax seeds, olive oil and some leafy greens - don't contain these specific fatty acid chains. While they're also thought to be good for the heart, they...
...Dorado for fishing fleets of many nations." A 2006 study published in the journal Science predicted that the current rate of commercial fishing would virtually empty the world's oceanic stocks by 2050. Yet, Somalia's seas still offer a particularly fertile patch for tuna, sardines and mackerel, and other lucrative species of seafood, including lobsters and sharks. In other parts of the Indian Ocean region, such as the Persian Gulf, fishermen resort to dynamite and other extreme measures to pull in the kinds of catches that are still in abundance off the Horn of Africa. (Read about illegal wildlife...