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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...
In marshlands along the coast of the Gulf of Mexico, it's easy to hear the sharp, buzzing calls of seaside sparrows ( Ammodramus maritimus )—even if they can be hard to spot. These five-inch, brown...
Seagrass meadows, such as this one composed of turtle grass ( Thalassia testudinum ) and manatee grass ( Syringodium filiforme ), are an important shallow water habitat. Hundreds of animal species,...
Arching mangrove roots like these help keep trunks upright in the soft sediments at water’s edge. More about mangroves can be found in our Mangroves featured story .
What can students do to help the ocean? It turns out, a lot! These students from Alabama are among dozens from the U.S. and Mexico who are developing action plans on ocean and climate-related issues...
Even though the Amazon River and the ocean seem very different—the river is freshwater while the ocean is salty, the ocean is vast and deep compared to the Amazon—they are closely connected. The...
In 1872, the United States did something remarkable. We set aside one of our greatest natural treasures, Yellowstone National Park , for future generations to enjoy and appreciate. The logic was...
When I set out to write a book about mollusks (called Spirals in Time ), I wasn't quite prepared for just how many animals I would get to know. There are somewhere between 100,000 and 200,000 mollusk...
This view of mangrove roots above the water misses a lot of the action. The roots extend far below the water’s surface, anchoring the forest to the sea and providing a tangled habitat for a variety...
A scorpion found in a mangrove. More about mangrove ecosystem can be found in our Mangroves featured story .
Since the dawn of seafaring, humankind has had to deal with the pesky creatures that settle on ships—seaweeds, barnacles, and others that take advantage of the empty real estate provided by a clean...
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...
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...
What can students do to help the ocean? It turns out, a lot! These students from across the United States and Mexico are developing action plans on ocean and climate-related issues in their local...
“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...
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...
Melissa Frey, Encyclopedia of Life (EOL) Rubenstein Fellow, examines a Pacific oyster ( Crassostrea gigas ) on a chilly day in Sidney, British Columbia. In addition to holding an EOL Fellowship ,...
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...
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