Look: 3 unexpected creatures solve an Arctic food chain mystery

Atlantic cod at the North Pole? It's more likely than you think.

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Polar bears, seals, and whales might be the first creatures that come to mind when you think of the Arctic Ocean.

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But much of the polar ecosystem remains a mystery.

It can be easy to focus on what lives atop the frozen ice sheets, but what swims beneath them is also crucial.

Copyright EFICA Consortium