The Ocean


Sources - Sustainability: © 2013, Monterey Bay Aquarium Foundation. Mercury: Stony Brook University and Karimi R. 2012, Seafood Hg Database: Mercury concentrations in U.S. commercial seafood items. Omega-3: U.S. Department of Agriculture, Agricultural Research Service. 2012. USDA National Nutrient Database for Standard Reference, Release 25. Trophic Level: Froese, R. and D. Pauly (eds.), 2000. FishBase 2000, concepts, design and data sources. xvii, 344p. Los Banos, Laguna, Philippines, ICLARM.

When you eat seafood, what impact are you having on the ocean and its interdependent and increasingly vulnerable marine population? Today’s health, safety, and sustainability considerations can make it complicated to determine the best seafood choices for you and your family. This interactive guide compiles all the information you need to continue to eat healthfully while lowering your seafood footprint. Use it to find out where your favorite fish ranks in sustainability, toxicity, and omega-3 content, as well its place in the food chain—and why it matters.

More About Seafood

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    Seafood Print

    Fishermen remove more than 170 billion pounds of wildlife a year from the seas. A new study suggests that our current appetite could soon lead to a worldwide fisheries collapse.

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    Cook-Wise

    Join chef and conservationist Barton Seaver in a new series exploring sustainability, community, and environmental concerns as they relate to one of the world’s most common rituals—dinner.

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    Ocean-Friendly Seafood Substitutes

    Learn how to make sustainable choices when selecting your favorite seafood.

Seafood Quiz

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    What's the Best Choice?

    Are you up to speed on seafood production and sustainability? Put your seafood smarts to the test in this quiz.

Ocean Topics

National Geographic Magazine

  • Photo: Waves crashing over rocks covered with sea grass and kelp

    Tide Pools Pictures

    A cast of thousands clings to rocky real estate in a narrow strip of shore called the intertidal zone.

  • Photo: Parrotfish smile, Heron Island Great barrier Reef, Australia

    Great Barrier Reef Photo Gallery

    From tiny coral polyps grew a marvel: Australia’s Great Barrier Reef. Could it all come crumbling down?

  • Photo: Seafloor bubbling due to the higher levels of CO2

    The Acid Sea

    Carbon dioxide we pump into the air is seeping into the ocean and slowly acidifying it.

Get More From the Magazine »

Your Ocean

  • Photo: Clown anemonefish

    For Kids

    Learn about the ocean with activities, photos, and games.

  • Photo: A school of fish and a shark swim in a coral reef.

    Ocean Education

    Bring engaging and important ocean learning to your classroom.

Support the Ocean

Explore the Ocean

  • shark-eden-ocena-store-promo.jpg

    Ocean Life

    Order ocean books, DVDs, maps, and more from the National Geographic online store.

  • Photo: Leopard seals on a glacier

    Ocean Special Issue

    Explore the world's oceans, from their prehistoric beginnings to modern-day efforts to preserve their natural wonder.

  • Photo: Ocean Atlas from National Geographic

    Ocean: An Illustrated Atlas

    Immerse yourself in the wonders of the deep through colorful maps, photos, and satellite images.