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The Ocean Blog

The Ha Long Bay site in Vietnam was inscribed on the World Heritage List in 1994. The site's 1,600 islands and islets form a spectacular seascape of limestone pillars surrounded by species-rich...
The Whale Sanctuary of El Vizcaino site in Mexico was inscribed on the World Heritage List in 1993. The sanctuary contains important breeding and wintering sites for the grey whale ( Eschrichtius...
This colorful coral lives in Australia's Great Barrier Reef. On the whole, this coral reef is the largest single structure built by living organisms and can be seen from space! Although more than one...
The Shiretoko site in Japan was inscribed on the World Heritage List in 2005. The site’s key feature is its exceptional productivity, largely resulting from the formation of relatively low-latitude...
We began this journey three months ago, a team of scientists and filmmakers traveling the East African coastline by boat to document and research the status of coral reefs from South Africa to Kenya...
NOAA’s National Marine Sanctuary System has made important strides in ocean protection and awareness. The sanctuary system has helped establish the largest network of marine reserves in the...
Bikini Atoll, formed over millions of years around an island in the Pacific Ocean about halfway between Papua New Guinea and Hawaii, has been subjected to horrific human-caused disturbances. Between...
When snorkeling in the Kahekili Herbivore Fisheries Management Area (KHFMA) in West Maui, I keep an eye out for certain kinds of fish. Not the brightest or the biggest, but those herbivores such as...
The Aldabra Atoll site in the Seychelles was inscribed on the World Heritage List in 1982. The site is comprised of a coral reef surrounding four large coral islands, which enclose a shallow lagoon...
What is coral bleaching? These white corals in the Gulf of Mexico’s Flower Garden Bank National Marine Sanctuary are bleached due to an increase in water temperatures, which causes corals to lose the...
The Socotra Archipelago site in Yemen was inscribed on the World Heritage List in 2008. The marine life is diverse and includes 283 species of coral, 730 species of coastal fish, and 300 species of...
Papahānaumokuākea, a chain of islands northwest of the main Hawaiian archipelago, is home to vibrant coral reefs with scores of fish species. It was designated a Marine World Heritage Site in August...
On many of the dives, Oceana's 2011 Baltic Sea expedition team saw little wildlife in the oxygen-depleted areas. But near some marine protected areas, the crew saw an array of marine life, including...
Human activity is increasing in the Arctic marine environment due to climate change. To help the most vulnerable areas, the Global Marine Program of IUCN , along with partners, convened a series of...
In 1872, the United States did something remarkable. We set aside one of our greatest natural treasures, Yellowstone National Park , for future generations to enjoy and appreciate. The logic was...
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...
Rockfish, anemones, and other invertebrates inhabit this deep-sea coral reef in Cordell Bank National Marine Sanctuary off the coast of California. Deep-sea corals provide habitat and benefits to a...
The Florida Keys National Marine Sanctuary encompasses several state parks and wildlife refuges. Learn more about National M arine Sanctuaries and how they can help protect and conserve ocean life.
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