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The Ocean Blog

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 still from SOLA: Louisiana Water Stories , part of the 19th Annual Environmental Film Festival in the Nation's Capital.
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 ,...
Adaptation is the key word if you are looking to survive in a tide pool, a space that some scientists describe as the most competitive real estate in the ocean. Tide pools are exposed to the water's...
Broad-leaf seagrass ( Posidonia australis ) with algae epiphytes grows at Corner Inlet Marine National Park in Australia . The marine park protects large areas of seagrass habitat from fishing—but it...
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 .
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...
The sun sets over marshland near Ocean City, N.J.
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...
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...
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...
Here’s a view of mangrove roots above the water. The roots extend far below the water’s surface, anchoring the forest to the sea and providing a tangled habitat for a variety of marine organisms...
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,...
Giant anemone. More about mangrove ecosystems can be found in the Mangroves section .
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...
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...
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...
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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