Poles

LATEST TODAY'S CATCH

Humpback Whale in Antarctic Waters

Apr 4, 2013 - 9:22AMHumpback whales (Megaptera novaengliae) can be found in Antarctic waters during the spring and summer in the Southern hemisphere, where they gorge on their main food source: tiny krill. How do they locate the small prey and...
Feb 15, 2013 - 10:56AM
This pair of sea butterflies (Limacina helicina) flutter not far from the...
Dec 10, 2012 - 10:20AM
In the icy waters of the Arctic, a deep-water larvacean (aka “sea tadpole”...

SPOTLIGHT

The Sant Ocean Hall: Life at the Poles Exhibit

At the Poles, Life Thrives  Located beside the Shores and Shallows gallery (which highlights different kinds of coastal...
Jan 4 2011 - 5:17pm
Hidden beneath Arctic ice is a world few have ever seen. Take the icy plunge with a team of ice-loving scientists.
Jul 27 2012 - 9:35am
Found in Arctic waters, this rare deep-water species of larvacean, Oikopleura gorskyi, eats by filtering particles from the seawater it drifts through. Larvaceans build 'houses' around themselves made of protein that helps them filter the water even better. And when the filters in its house...
Sep 10 2012 - 10:54am
This new species of deep-water sea cucumber (Elpidia belyaevi) was discovered by Census of Marine Life researchers in the frigid waters of the Arctic. Since the 1800s, researchers observed sea cucumbers similar to this one in the Arctic at all depths, from shallow to deep, and assumed they were all...
Sep 25 2012 - 10:05am
An emperor penguin chick (Aptenodytes forsteri) huddles under its mother's legs to keep warm in the long Antarctic winter. Learn more about research on emperor penguins and other Antarctic creatures.
Ice Divers Prepare to Plunge
Jan 5 2011 - 4:43pm
It takes special equipment and many warm layers of clothing to dive safely beneath Arctic sea ice. Ice divers look for holes in a melt pond in order to enter the frigid waters.
Apr 4 2013 - 12:38pm
In Antarctica's Southern Ocean swims a beautiful polychaete (bristly worm) called Tomopteris carpenteri, which is adorned with alternating red and transparent bands. The largest species in its genus, it it found throughout the water column, including the deep sea, where this photo was taken by...
Jan 6 2011 - 11:55am
Close-up of Boreoatlantic armhook squid, Gonatus fabricii. View the “Under Arctic Ice” photo essay.
Cold Water Diving with WHOI
Jul 15 2011 - 5:00pm
"Cold-Water Diving: Going to Extremes for Research" is a video produced by Woods Hole Oceanographic Institution (WHOI) that shows the focus needed to do scientific work in cold water. The gear is bulkier and heavier, cold affects dexterity and capacity, and dives must be shorter yet still get the...
Aug 3 2012 - 10:51am
This copepod Calanus hyperboreus (up to 7mm in length) lives in the Arctic, usually within 500 meters of the surface. To survive the cold Arctic winters, Calanus hyperboreus builds up dense fat (lipid) supplies on its body, which makes it a preferred food of both...
Jan 6 2011 - 10:56am
Ice divers use a quadrat to study the density of creatures living on the underside of Arctic ice floes. A quadrat is a standardized square used to take sample measurements that allow researchers to get an accurate estimate of the number of particular animals living in a larger space. 
Sep 21 2011 - 1:23pm
At the Poles, Life Thrives  Located beside the Shores and Shallows gallery (which highlights different kinds of coastal ecosystems around the world), the Poles area will take you to the ends of the earth and empower you with a broad understanding of life and physical conditions at both poles.
Aug 17 2011 - 3:25pm
Chapter 3: Fragile Fauna Jelly Critters Grade Level: 5-6 Focus: Life Science- Gelatinous zooplankton in the Canada Basin  Description: In this activity, students will be able to compare and contrast at least three different groups of organisms that are includ
Jan 6 2011 - 12:38pm
Many jellyfish in the class Hydrozoa, such as this hydromedusa Aglantha digitale, are transparent and easily overlooked. Learn more about hydrozoan jellies and other jellyfish, and see more pictures of Arctic animals in the “Under Arctic Ice” photo essay.
Sep 8 2011 - 4:04pm
At a recent staff meeting a Smithsonian colleague mentioned that one of his pastimes this summer has been keeping tabs on the Arctic sea ice. The question that's on many Arctic-watchers' minds is whether or not the 2011 sea ice coverage will reach a new record low.
Dec 10 2012 - 10:20am
In the icy waters of the Arctic, a deep-water larvacean (aka “sea tadpole” because it looks like a tadpole) drifts through the water in its 'house.' This house is made of protein and creates almost a shell around the larvacean and helps to filter particles out of the water for the larvacean to eat...
Jan 6 2011 - 3:24pm
The bowhead whale has a massive, bow-shaped skull to break through thick Arctic ice, and more blubber than any other whale.