Image Gallery: Great Barrier Reef Through Time

Horseshoe reef

Horseshoe reef before crown-of-thorns invasion.

Horseshoe reef

Horseshoe reef after crown-of-thorns invasion.

Low Isands

Healthy reef at Low Islands.

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Low Islands

Healthy reef at Low Islands.

Low Islands

Healthy reef at Low Islands.

Beaver reef

Damage to Beaver Reef by Cyclone Hamish.

Beaver reef

Crown-of-thorns damage on Beaver Reef.

Coral eating starfish outbreak

Population outbreaks of the coral eating starfish Acanthaster planci have been responsible for 42% of the over 50% decline in coral cover on the Great Barrier Reef between 1985 and 2012.

MacDonald reef

MacDonald reef before cyclone damage.

MacDonald reef

MacDonald reef after cyclone damage.

Damaged reef

Crown-of-thorns and cyclone damage.