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.

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.

Halfway Island

Bleaching at Halfway Island.

North Kepplel

Bleaching at North Kepplel.