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Coral Spawns

Season 1 Episode 2 | 2m 13s

All at once, billions of coral polyps for hundreds of miles release their egg and sperm into the ocean during the annual coral spawn. As the fireworks begin, the water column fills with what looks like an upside down snowstorm. This mass synchronized event is unlike any known elsewhere in the animal kingdom. Yet as big as it is, there’s also beauty in the detail.

Extras
Watch as the reef faces and then recovers from cyclone season.
See a baby turtle fight for it's life against a ghost crab on Raine Island.
Watch as human and animal residents of the reef prepare for a cyclone.
Take a look at the many colors visible at night on the Great Barrier Reef.
Get an aerial view of the Great Barrier Reef.
Witness corals spawn, sea birds nest and turtle hatchlings erupt over the beaches.
Witness the explosion of life on the reef as the wet season approaches.
Meet Wally, a female fish, that became male.
Dive down to Osprey Reef to view the sharks that live there.
View some of the reef's predators on the attack.
Latest Episodes
Watch as the reef faces and then recovers from cyclone season.
Witness corals spawn, sea birds nest and turtle hatchlings erupt over the beaches.
View the reef as tourists enjoy the perfect weather and humpback whales give birth.