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Take a look at the many colors visible at night on the Great Barrier Reef.
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See a baby turtle fight for it's life against a ghost crab on Raine Island.
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Meet Wally, a female fish, that became male.
2:09
Dive down to Osprey Reef to view the sharks that live there.
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View some of the reef's predators on the attack.
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Learn how the perfect combination of temperatures, tides and currents helps coral spawn.
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View the underwater firework show of the annual coral spawn.
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Get an aerial view of the Great Barrier Reef.