More Coasts

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...
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...
The grasses and animals living in marshes help to filter water and stabilize shorelines, along with providing habitat for a variety of mammals, fish, shellfish and amphibians and a haven for...
We drove down a long dirt road on the northern side of Curaçao looking for a remote place to snorkel and sample. After a 30-minute bumpy ride, our team stepped out of the car into a breeze and the...
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...
Alaska’s pristine coastline is ripe for an influx of invasive marine species such as the European green crab and the rough periwinkle (an Atlantic sea snail), warns a new study by a team of...
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...
The 2010 Deepwater Horizon oil spill brought the world's attention to the Gulf of Mexico and raised awareness of the region's chronic loss of wetlands as well as the massive dead zone caused by...
Giant anemone. More about mangrove ecosystems can be found in the Mangroves section .
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...
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,...
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 .
The Kemp’s ridley is a “riddler” among sea turtles . Although the species was initially recognized in 1880, scientists didn't know where it nested until 80 years later, when a film documenting about...
An American crocodile ( Crocodylus acutus ) resting on a bed of seagrass . These medium-sized crocodiles are most commonly found in mangrove -lined estuaries and saltwater lagoons between 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...
This map shows the network of Coastal Ecosystem Learning Centers, which include aquariums, marine science centers, and laboratories. The network creates a partnership between federal U.S. agencies...
By Caty Fairclough In centuries past, the ocean was thought to be full of krakens, sea serpents, sea monsters and other fantastic creatures. They helped to bring the mysterious ocean into the more...
Subscribe to Coasts