Coral bleaching on Australia’s Great Barrier Reef reaches ‘catastrophic’ levels, study finds CNNCoral bleaching on Great Barrier Reef reaches 'catastrophic' levels Oceanographic MagazineClimate Chaos Reshapes Life on the Great Barrier Reef SciTechDaily‘Catastrophic’: Great Barrier Reef hit by its most widespread coral bleaching, study finds The GuardianEmergent patterns of reef fish diversity correlate with coral assemblage shifts along the Great Barrier Reef Nature.com