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Squids, octopuses and cuttlefish, such as this Australian Giant Cuttlefish ( Sepia apama ), compose just one group of animals that call seagrass beds home. Clams and worms bury themselves in the mud...
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...
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...
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 can grow in salty water and soils), but...
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...
Sea stars ( Odontaster validus ) and sea urchins ( Sterechinus neumayeri ) spread over an algae-covered seafloor off the coast of Antarctica. These two species are often found living in association...
Seaside sparrow ( Ammodramus maritimus ) chicks chirp and beg their parents for food from a well-hidden nest in a Gulf of Mexico marsh. Researchers from the Gulf of Mexico Research Initiative have...
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...
The open ocean is surprisingly barren to the naked eye. Every now and again you will encounter a school of fish and their attendant predators, but most of the life that you find is gathered around...
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...
Penguins are odd birds. For one, they cannot fly (but they are amazing swimmers), and, contrary to popular belief, the majority of penguin populations live in warmer regions. Only four of the 18...
A parent Magellanic penguin ( Spheniscus magellanicus ) sits with its big chick. Magellanic penguins live in South America, breeding in colonies along the coasts of Chile, Argentina and the Falkland...
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...
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,...
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...
Dr. Ilka C. "Candy" Feller calls mangroves the 'nursery of the sea.' These important coastal habitats face many threats, including nutrient pollution from fertilizer runoff. That's the focus of much...
Necora puber , also known as the velvet swimming crab, may not be as soft as the name implies. The crab's red eyes and aggressive nature have resulted in a second nickname, devil's crab . As if it...
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