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Horseshoe reef
Horseshoe Rand before crown - of - thorn invasion .
Horseshoe reef after crown - of - irritant encroachment .
Low Isands
Healthy reef at Low Islands .
Low Islands
Beaver reef
equipment casualty to Beaver Reef by Cyclone Hamish .
Crown - of - prickle wrong on Beaver Reef .
Coral eating starfish outbreak
Population irruption of the coral eating starfish Acanthaster planci have been responsible for 42 % of the over 50 % decline in coral blanket on the Great Barrier Reef between 1985 and 2012 .
MacDonald reef
MacDonald reef before cyclone legal injury .
MacDonald reef after cyclone price .
Damaged reef
Crown - of - thorns and cyclone damage .
