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Above, the camera bobs just below of the surface of the sea at Wilson Island in Australia.
Data gathered from the dives will go into a public database called the Global Reef Record, according to the Catlin Seaview Survey. "The Global Reef Record is a game-changing scientific tool that scientists around the world will have at their fingertips. They will be able to monitor change in marine environments now and in the future," Professor Ove Hoegh-Guldberg, the project's lead scientist, said in a statement.