Nature · FACT #24
The Great Barrier Reef is the largest coral system on the planet.
The Australian Institute of Marine Science describes it as the largest coral system on the planet, with almost 3,000 individual reefs covering 344,400 square kilometers.
Source: Australian Institute of Marine Science
https://www.aims.gov.au/research-topics/monitoring-and-discovery/monitoring-great-barrier-reef
https://www.aims.gov.au/research-topics/monitoring-and-discovery/monitoring-great-barrier-reef