The Seafood You Should (and Shouldn't) Eat

Simple rules help clear up seafood confusion.
BY LEAH ZERBE
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Eat Fish to Save Fish?

To save the oceans—and our health—we need to eat more fish. The right fish. That's the mantra behind the new book The Perfect Protein, written by Andy Sharpless, the fearless leader of Oceana, the largest international organization focused solely on ocean conservation. Intrigued? So were we.

We tracked down Sharpless to learn more about his innovative concept for preserving ocean life, beating the obesity epidemic on land, and feeding the world by shifting diets to the best fish.

"The world's industrial-scale commercial fishing fleets have basically overfished the oceans," he says. "That comes down to fishing above scientifically recommended catch limits, destroying nursery habitats for young fish, and catching non-target species and discarding them at sea—bycatch."

If we want to have healthy fish left to eat, we need to know which ones to indulge in, which ones to enjoy occasionally, and which ones to avoid. Sharpless shares his recommendations…

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YES: Sardines & Anchovies

Simple Rule: Stay small—eat the little fish.

What It Means: Smaller species reproduce really quickly, and in most cases are an abundant, strong, and fertile part of the food chain, Sharpless says. In fact, little fish could feed millions of people sustainably and healthily if well managed. "The lower down on the food chain, the smaller your footprint on nature," he adds. "If you can develop an appetite and taste for them, you'll have a lot to choose from, they're cheaper, and they're better for nature."

Read More: How to Cook with Sardines

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YES: Mackerel

Simple Rule: Eat wild, not organic.

What It Means: Wild Atlantic mackerel is rich in omega-3s that help your brain fire at full. Atlantic mackerel is low in contaminants, too, making it a strong seafood pick for you and the planet.

Bonus tip? Beware of "organic" seafood. Although there are some organic fish farms outside of the country, they aren't certified by U.S. authorities. Instead of organic, look for healthy wild picks listed in reliable seafood guides.

Read More: 21 Ways to Feed Your Brain

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YES: Oysters, Mussels, & Clams

Simple Rule: Enjoy lots of shellfish.

What It Means: Generally speaking, Sharpless says most shellfish are a good choice. Oysters, mussels, and clams—farmed or wild—help improve water quality and, because of their shorter lifespans, tend to accumulate fewer contaminants, he says. Scallops are a little trickier; you'll want to look for diver- or day-boat-caught scallops, ones caught with minimal impact on the environment.

Read More: MasterChef Winner’s Homemade Clam Chowder Recipe

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SOMETIMES: Wild-Caught Alaskan Salmon

Simple Rule: Eat big fish mindfully and rarely.

What It Means: Just like birthday cake should be an occasional treat, so should healthy big-fish picks like Alaskan wild-caught salmon. Larger fish take years to reproduce, and chronic overfishing has left many big-fish species in major peril. Orange roughy, for instance, can live to be 100 years old and only start reproducing at age 40. Overharvesting young roughy has left the species in limbo.

Also noteworthy? Big fish, the head honchos of the food chain, often contain higher levels of contaminants like mercury because they accumulate up the food chain. (Wild-caught Alaskan salmon is an exception, and a healthy choice.)

Read More: The 10 Healthiest Fish on the Planet

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NO: Shrimp

Simple Rule: Bycatch means shrimp must be bygones.

What It Means: "If you want to be a responsible seafood eater, you have to say good-bye to shrimp," Sharpless says, noting that shrimp fleets tend to catch a lot of other things in their nets, too. American data show shrimp catches contain 5 pounds of non-shrimp species per pound of shrimp. "Much is dumped out on the deck, damaged, injured, killed, or discarded at sea," Sharpless says. When you eat shrimp, you're responsible in part for 5 pounds of bycatch, including sea turtles and pretty much any other type of fish in the Gulf.

Farmed shrimp isn't any better. It's been found to harbor banned antibiotics—even ones that could cause cancer—pesticides, and bits of insects.

Read More: 6 Disgusting Facts about Shrimp

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NO: Farmed Salmon

Simple Rule: Eat wild seafood.

What It Means: One-third of all fish caught in the world are turned into fish meal or oil; of that, 81 percent goes to farmed fish like salmon. It takes 5 pounds of wild fish to produce 1 pound of farmed salmon, not a favorable footprint on nature. Plus, farmed salmon tends to be full of parasitic sea lice, requiring the treatment of high-dose toxic chemicals.

Read More: The Truth about Salmon

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NO: Chilean Sea Bass & Bluefin Tuna

Simple Rule: Don't eat imperiled fish.

What It Means: Overfishing has brought Chilean sea bass and Bluefin tuna to the brink of collapse. And put quite simply, there just aren’t that many big fish left in the ocean.

The good news is if we avoid these species now and embrace science-backed numbers when figuring out how much to take from the ocean, we could one day enjoy these species again. "The purpose of good ocean management is to make sure there's enough in the bank account to make sure after the catch there's enough left in water for next year,” Sharpless says.

Read More: Where to Buy the Best Fish

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Source the Perfect Protein

Ready to become a smarter seafood shopper? Looking to fill your family members' bellies with affordable, safe, and healthy fish? Use the information in this story and take the following steps:

• Buy The Perfect Protein, take notes, whip up some of the celebrity chef recipes, and make sure your copy finds its way into friends' and family members' hands. Knowledge is power!

• When in doubt, follow the maxim "Eat wild seafood. Not too much of the big fish. Mostly local," a major guiding principle of The Perfect Protein.

• Whether it's a paper version in your wallet or an App, download the Seafood Watch Recommended Species Guide.

• Stop supporting grocery-store chains that source some of the most threatened species of fish. Read Where to Buy the Best Fish for guidance.

• For more species to avoid, check out 12 Fish You Should Never Eat.

• Still not feeling fish? Reach for the top vegetarian sources of protein.

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