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14
Marine scientists working in the Western Indian Ocean have found that the corals of the Mozambique Channel should be a priority for protection as climate change continues to threaten these rainforests of the sea. The study -- generated from data gathered from nearly 300 marine sites over thousands of square miles of ocean -- is the latest attempt by scientists to improve efforts to first identify reefs that have survived the effects of higher temperatures and sometimes human pressures such as fishing, and then actions best suited to protecting less disturbed coral ecosystems.

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13
Research on the behavior of coral reef fish at naturally-occurring carbon dioxide seeps in Milne Bay in eastern Papua New Guinea has shown that continuous exposure to increased levels of carbon dioxide dramatically alters the way fish respond to predators. 

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11
A coral-eating flatworm has been identified as a potential threat for coral reefs. It is barely possible to see the parasitic worm Amakusaplana acroporae when it sits on its favorite hosts, the staghorn coral Acropora, thanks to its excellent camouflage. However, the researchers found that the small flatworm could cause significant damage to coral reefs.

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10
The world's reefs are hotbeds of biological diversity, including over 4,500 species of fish. A new study shows that the ancestors of these fish colonized reefs in two distinct waves, before and after the mass extinction event about 66 million years ago that wiped out the dinosaurs.

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01
Scientists have analyzed coral cores from the eastern Indian Ocean to understand how the unique coral reefs of Western Australia are affected by changing ocean currents and water temperatures. The findings give new insights into how La Niña, a climate swing in the tropical Pacific, affects the Leeuwin current and how our oceans are changing.

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14
Deep coral reefs in Papahanaumokakea Marine National Monument may contain the highest percentage of fish species found nowhere else on Earth, according to a study. In waters 100-300 feet deep, nearly 50 percent of fish observed over a two-year period were unique to Hawaii -- higher than any other marine ecosystem. The study also found that on some deeper reefs, more than 90 percent were endemic.

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28
Literal biodiversity reservoirs, coral reefs and associated ecosystems are in grave danger from natural and human-made disturbances. The latest World Resources Institute assessment is alarming with 75% of coral reefs reported as endangered worldwide, a figure that may reach 100% by 2050. The numbers are concerning, particularly as coral reefs provide sustenance and economic benefits for many developing countries and fish biodiversity on coral reefs partly determines the biomass available for human consumption.

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27
Despite the comparably small footprint that they take on the ocean floor, tropical coral reefs are home to a substantial part of all marine life forms. Coral reefs also provide numerous benefits for human populations, providing food for millions and protecting coastal areas from erosion. Moreover, they are a treasure chest of potential pharmaceuticals and coral reef tourism provides recreation and income for many. Unfortunately, coral reefs are declining at an alarming rate. To promote management activities that can help coral reef survival, an international group of world renowned scientists have addressed the present knowledge about the challenges that coral reefs are facing now and in the future in a new article.

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