Coral graveyard: the aftermath of bleaching on the Great Barrier Reef – in pictures

The once brilliant coral at Lizard Island on Australia's Great Barrier is now dead and dying, blanketed by seaweed - a sign of extreme ecosystem meltdown. These exclusive photographs are from a series taken by not-for-profit the Ocean Agency as part of its work around the world documenting the longest coral bleaching event in history

" Great Barrier Reef: a catastrophe laid bare - special report