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Bull sharks cut a threatening figure with the largest recorded bull shark reaching 11.5 feet and 500 pounds. They prey on dolphins, birds, turtles, bony fish, and other species of shark. Catching...
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...
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...
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...
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,...
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...
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...
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...
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...
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...
Large numbers of grey reef sharks ( Carcharhinus amblyrhynchos ) were observed at Jarvis Island, an uninhabited Pacific island, during the 2010 Pacific RAMP expedition of the NOAA Ship Hi'ialakai ...
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...
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...
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...
Happy (early) Independence Day! For many of us in the United States, the 4th of July is a time to celebrate and reflect on our national heritage. In many ways, the U.S. grew up on the water and...
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...
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...
With their brown and yellow markings, seaside sparrows ( Ammodramus maritimus ) blend in well with marshgrass. They often spend their entire lives in the marsh where they were born, pecking at...
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