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The Ocean Blog

Green turtles ( Chelonia mydas ) live in the warm coastal waters of tropical and subtropical oceans. Adults sometimes eat sponges, salps (floating jelly-like animals), and jellyfish, but they feed...
“It is strange to think of a sea turtle as an ecosystem,” says Amanda Feuerstein, program coordinator and research assistant at the Smithsonian’s National Museum of Natural History, “but they are…...
Worldwide, fisheries touch our lives in countless ways. If well maintained, they can feed millions of people, generate jobs and income, help maintain long-standing community and cultural traditions,...
A diet of algae and seagrasses gives this turtle ( Chelonia mydas ) greenish colored fat—and its name. Weighing as much as 500 pounds, the threatened green sea turtle lives its life at sea, with only...
Forensics is a key tool for enforcing the laws and treaties that protect marine animals. Investigators in a recent case used DNA analysis to track down and convict sea turtle poachers. All seven...
What can students do to help the ocean? It turns out, a lot! These students from Georgia are among dozens from the U.S. and Mexico who are developing action plans on ocean and climate-related issues...
These baby olive ridleys ( Lepidochelys olivacea ) will eventually provide a home to crustaceans, mollusks, and other epibionts. That's according to a survey of epibionts living on mature, nesting...
A Turtle Excluder Device (TED) enables a loggerhead turtle ( Caretta caretta ) to escape from a fishing net. Technological advancements like this are helping to prevent deaths of unintended marine...
Loggerhead turtles ( Caretta caretta ) are named for their large heads and strong jaws, which allow them to eat prey with hard shells, like big marine snails. They live throughout the world’s warm...
The International Union for the Conservation of Nature ( IUCN ) maintains the Red List of Threatened Species , an inventory of the global conservation status of plants and animals. In a 2010 study ,...
In a 2011 study published in the Bulletin of the Peabody Museum of Natural History , researchers documented a number of different organisms living on olive ridley and green turtles in the Pacific. Of...
“Leatherback turtles are critically endangered, and this young hatchling is a symbol of hope for their future.” -- Nature's Best photographer, Jason Bradley . See more beautiful ocean photos in our...
Olive ridley turtles ( Lepidochelys olivacea ) are the smallest marine turtle, living in warm waters close to shore as adults. Female olive ridleys take part in mass nestings that can involve 150,000...
The Area de Conservación Guanacaste site in Costa Rica was inscribed on the World Heritage List in 1999. The site has the most intact inshore Pacific marine ecosystem between the Panama Canal Zone...
The Sundarbans National Park site in India was inscribed on the World Heritage List in 1987. The site, located in the Ganges delta, contains the world's largest mangrove forest and hosts a number of...
Leatherback turtles ( Dermochelys coriacea ) are the largest sea turtles, growing as long as six and a half feet (2 m) and weighing some 2,000 pounds (900 kg). They’re unlike the other marine turtles...
From parrotfish that cover themselves in a blanket of their own mucus to tiny pygmy sea horses, there are some bizarre sea creatures that live in coral reefs . In this slideshow you can explore some...
The Papahānaumokuākea site in the United States was inscribed on the World Heritage List in 2010. The site is a vast isolated cluster of small low-lying islands and atolls with its surrounding ocean...
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