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Fish have certain adaptations, like blood with built-in antifreeze, to survive in the Antarctic.
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Fish Adapt to Icy Water

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This recently discovered hairy crab species (Kiwa hirsuta) has no eyes.
Overview

The Census of Marine Life

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Looking through this iceberg's reflection in the Antarctic water, you can see the iceberg below the surface—some 90% of its total volume.
Overview

The Arctic and The Antarctic

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Penguins standing on ice.
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Animals of the Ice

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Three juvenile Adélie penguins
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Juvenile Adélie Penguins

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Arctic cod have a special protein that warms their blood.
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Arctic Cod Under Ice

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Three distinct types of killer whale can be found in the Antarctic, each with a different habitat and diet preference.
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Orcas in the Antarctic

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Greenland Shark in cold water
Article

In the Eyes of One Shark, Age is Nothing to Fear

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A narwhal breaches the surface, its tusk pointed to the sky
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Why a Tusk? The real-life unicorns of the sea and the tusks that make them famous

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Human activity is increasing in the Arctic marine environment due to climate change. To help the most vulnerable areas, the Global Marine Program of IUCN, along with partners, is convening a series of workshops aimed at enhancing ecosystem-based management and identifying biologically or ecologically important or vulnerable habitats. Burgerbukta, a bay in Svalbard, Norway, is being managed for ecosystem protection.
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The Sant Ocean Hall: Life at the Poles Exhibit

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In 2011, storms and lack of ice-cover due to a warmer winter climate resulted in hundreds of seal pups being washed up on the shore of Prince Edward Island. Like many, this young seal faced an uncertain future. See more Nature's Best Photos.
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Ice-Loving Seals and the Loss of Sea Ice

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