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How do you explain a scientific paper in three minutes or less? What if you were being judged by a bunch of middle-schoolers in classrooms around the world… and you only had a month to do it? The...
When most people think of catfish, they think of a freshwater fish. But the striped eel catfish ( Plotosus lineatus ) is found in marine systems including coral reefs, estuaries, tide pools and other...
When they get larger, Portunus sayi are formidable predators, quick to consume any smaller animal that comes within reach. Fish, other crustaceans, and even smaller members of their own species are...
The Island Leaf-Toed Gecko ( Phyllodactylus insularis ) is one of several species of geckos that live in the mangroves of the Caribbean’s Mangal Cay. More about mangroves can be found in our...
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 sun sets over marshland near Ocean City, N.J.
Two years ago last week, on April 20, 2010, an explosion on the oil-drilling rig Deepwater Horizon caused the largest marine oil spill in history , gushing nearly 5 million barrels of crude oil over...
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...
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,...
Jellyfish and comb jellies are gelatinous animals that drift through the ocean's water column around the world. They are both beautiful—the jellyfish with their pulsating bells and long, trailing...
Adult green sea turtles ( Chelonia mydas ) spend most of their time grazing in seagrass meadows. It's estimated that before Columbus arrived in America in 1492, the number of green turtles supported...
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...
This creek lined with mangroves is located near the Smithsonian Institution’s field station in Bocas del Toro , Panama. The tangled roots support an amazing array of life. Learn m ore about mangroves...
In this brief video clip from NOAA, catch a glimpse of the startling beauty and diversity of life found among deep-sea corals near the Aleutian Islands in Alaska. Explore more in the multimedia...
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,...
What can students do to help the ocean? It turns out, a lot! These students are among dozens from the U.S. and Mexico who are developing action plans on ocean and climate-related issues in their...
Giant kelp ( Macrocystis pyrifera ) is large, brown algae that grows in dense forests along coasts around the world. Long stalks anchor each plant to the seafloor, and they grow meters high like...
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