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Close-up of Boreo-Atlantic Armhook Squid, Gonatus fabricii.
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Armhook Squid

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pancakes of ice cover the ocean
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Pancakes of Ice

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An illustration of two narwals, one with two tusks
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Two Tusked Narwhal

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Many Antarctic creatures, like the dinner-plate-sized sea spiders, have evolved to a gigantic size to cope with the extreme environment.
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Cold-Water Sea Spider

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Emperor penguins are the largest of the penguin species and can grow to be 100 pounds.
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Emperor Penguins on the Ice

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The amphipod Eusirus holmii inhabits sea ice, the water column and the sea floor
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Arctic Amphipod

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Jellies in the Class Hydrozoa are transparent and easily overlooked.
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Transparent sea jelly

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Walruses use sea ice as platforms on which to nurse their young and launch their dives.
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Walrus Rests on Ice

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The Encyclopedia of Life brings us another installment of the podcast, One Species at a Time. In this podcast, host Ari Daniel Shapiro relates two close calls with polar bears. Listen as Heather Cray recalls how, dumped by a storm on a small Arct
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Polar Bears: One Species at a Time

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Greenland Shark in cold water
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Greenland Shark

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Two nurse sharks hover over a baited cage
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Biomes: Wild Arctic

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This recently discovered hairy crab species (Kiwa hirsuta) has no eyes.
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The Census of Marine Life

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