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California sea lions swimming
video

Sea Lion Sickness

Both humans and sea lions get sick from eating fish and shellfish that have been...
Fri, 01/14/2011 - 10:36
The Ross Sea is a 1.9 million square mile (3.6 million square km) stretch of ocean off the coast of Antarctica.
slideshow

A Trip South to Antarctica’s Ross Sea

The Ross Sea, a 1.9 million square mile (3.6 million square km) stretch of ocean...
Mon, 06/10/2013 - 11:37
Mangrove roots provide an underwater habitat for many marine species.
slideshow

Mangroves: Photos of Plants and Animals

Mangrove is the name for a tree—and also for a complex ecosystem—that bridges...
Mon, 09/29/2014 - 11:48
A polar bear and its cub in Arctic National Wildlife Refuge, Alaska.
slideshow

Celebrating Marine Moms

The ocean is home to many moms of all shapes and sizes: from charismatic polar...
Wed, 04/24/2013 - 17:29
A Cuttlefish with its arms splayed
Photo

Little Cuttlefish, Big Attitude

Mangrove Salt Glands
Photo

How Mangroves Deal with Saltwater

Looking at a white mangrove (Avicennia marina) leaf cross-section under the...
Weddell seals grind their teeth on holes in the ice to keep them open to their comings and goings between ocean and air.
Photo

Weddell Seal in Antarctic Water

Weddell seals grind their teeth on holes in the ice to keep them open to their...
Polar bears have evolved to survive in the Arctic.
Photo

Polar Bear on the Ice

Polar bears have evolved to survive in the Arctic with large, oar-like front paws...
When water conditions deteriorate, the rivulus fish can live temporarily out of water.
Photo

Rivulus Fish

Rivulus fish live in bodies of water that sometimes become contaminated with...
This mangrove island in Belize was cleared and dredged to create sand beaches.
Photo

Mangrove Island Clear-Cut for Tourism

This mangrove island in the Pelican Cays, Belize, was clear-cut and filled with...
Arching mangrove roots help keep trunks upright in soft sediments at water’s edge.
Photo

Mangrove Support System

Arching mangrove roots like these help keep trunks upright in the soft sediments at...
These Smithsonian field stations enable scientists worldwide to conduct long-term studies on mangrove ecosystems.
Photo

Description of Smithsonian Field Stations

These Smithsonian field stations enable scientists worldwide to conduct long-term...

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