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Mangrove is the name for a tree—and also for a complex ecosystem—that bridges land and sea. There are around 70 species of mangrove trees (meaning trees that grow in a saline salt), but they are not...
What is climate change, and how is it affecting coastal Carolina? That is the question that a group teens from Isaac Bear Early College High School set out to answer for their Third National Student...
The blue lined octopus may be small, growing to at most 15 cm, but it can be deadly: its venom can cause breathing failure in humans as well as other animals. Turtles can accidentally consume the...
A scientist, Chris Reddy from Woods Hole Oceanographic Institution, collects oil-laden "sand patties" on a Louisiana beach two years after the oil spill. Watch a video of Chris Reddy talking about...
Sandy beaches are home to a Diversity of Life In the Shores and Shallows Gallery of the Smithsonian's Sant Ocean Hall , a beach display features magnified grains of sand and the tiny beach critters...
Smithsonian Marine Science Network Postdoctoral Fellow, Seabird McKeon, returns from the Smithsonian field site in Belize. Together with Dan Barshis of Stanford University, Seabird reports on the...
Seagrasses don't just provide shelter for free-swimming animals, but also are a habitat for non-moving organisms, such as this sea anemone. Sessile animals attached to blades are called epibionts,...
From the water, red mangroves appear to form an impenetrable tangle of roots, trunks, and leaves—a protective barrier against storms and tsunamis. More about mangroves can be found in our Mangroves...
Around 100 million years ago, grass from land adapted to live and reproduce while submerged in seawater—the modern-day seagrasses. This sea invasion by land plants happened four separate times,...
This beautiful larval (baby) octopus was collected by scientists from the University of Miami during a research cruise in the Straits of Florida, a narrow channel between the Atlantic and the Gulf of...
Hardy head silversides ( Atherinomorus lacunosus ) are abundant fish in shallow water seagrass meadows throughout the Indo-Pacific that often form shoals. They feed primarily on zooplankton and small...
A map that shows the location of mangroves throughout the world. They are mainly found in the tropics and subtropics. More about mangroves can be found in our Mangroves featured story .
Did you know that over 17,000 species thrive in the deep sea where no light penetrates the ocean waves? Or that an old restaurant menu can teach us about the history of fish populations? Or that...
“The largest land migration of any animal on Earth, as many as 120 million crabs carpet the island in red as they move from the rain forest to the coast.” -- Nature's Best photographer, Stephen...
Anemone porcelain crabs may look delicate but they have their own sort of armor: a hard exoskeleton. They live under rocks, sponges, groups of feather stars, and even in giant anemones where they can...
Recorded Feb. 15, 2011, this video from the Third Student Summit on the Ocean and Coasts includes a tribal song written and sung by Suquamish Tribal member Bearon Old Coyote; a welcome to the...
What can students do to help the ocean? It turns out, a lot! These students from New Jersey are among dozens from the U.S. and Mexico who are developing action plans on ocean and climate-related...
Coral sand is aptly named: it's sand made up of tiny bits of coral and other ocean animals such as foraminifera , molluscs, and crustaceans. This image, taken at 100x zoom, took 18th place in the...
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