Beware of the big guys: Red snappers from tropical waters sometimes accumulate high levels of the toxin that causes ciguatera. Go for the smaller fish to avoid it. Kamel Adjenef/iStockphoto hide caption

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A sperm whale entangled in a drift net. A report says commercial fisheries around the world kill or injure 650,000 mammals a year. Alberto Romero/Marine Photobank hide caption

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Whales, Dolphins Are Collateral Damage In Our Taste For Seafood

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With local cod so scarce, Chef Toby Hill of Lyric Restaurant in Yarmouth Port, Mass., tries out a dogfish salad — served here with garlic aioli on toast — instead. Dogfish is still plentiful in New England waters, but wholesale fisheries say there's not much demand for it in the U.S. Christine Hochkeppel/Courtesy of Cape Cod Times hide caption

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Why The Cod On Cape Cod Now Comes From Iceland

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"A lot of people are eating seafood all the time, and fish are eating plastic all the time, so I think that's a problem," says a marine toxicologist. iStockphoto hide caption

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How to make dead fish look attractive? That's the challenge New York-based duo Shimon and Tammar Rothstein faced when they were hired to do the photography for famed French chef Eric Ripert's book On the Line. Photos by Shimon and Tammar, Courtesy of Shimon and Tammar hide caption

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Based on new research, the EPA concludes that women of childbearing age are making more informed choices and opting for low-mercury seafood choices such as shrimp, canned light tuna and salmon. JackF/iStockphoto hide caption

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Sea urchins are considered a culinary delicacy, but supply can't keep up with demand. Aizat Faiz/Flickr hide caption

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Raising Tastier Sea Urchins For Foodies And The Environment

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Jessica McConnell, 26, of Silver Spring, Md., tries to identify halibut, red snapper and salmon at a dinner hosted by Oceana and the National Aquarium in Washington, D.C. Heather Rousseau/NPR hide caption

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Escolar, right, is often substituted for more expensive Albacore tuna (left), a report on mislabeled seafood found. Yoon S. Byun/Boston Globe via Getty Images hide caption

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Swordfish from Canada are marked with a label from the Marine Stewardship Council at a Whole Foods in Washington, D.C. The MSC says its label means the fish were caught by a sustainable fishery, but critics says it's not always so clear. Margot Williams/NPR hide caption

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Farmed Atlantic salmon was sometimes labeled at "wild salmon," researchers found when the tested seafood sold in New York City. iStockphoto.com hide caption

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A Tokyo sushi restaurant displays blocks of fat meat tuna cut out from a 269kg bluefin tuna. Yoshikazu Tsuno/AFP/Getty Images hide caption

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Nuclear Tuna Is Hot News, But Not Because It's Going To Make You Sick

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