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The reef is located at depths of between 30 and 65 metres. It is approximately 3km in length and between 30m and 60/65m wide, which makes it one of the most extensive healthy coral reefs on record. The giant rose-shaped corals are up to 2 metres in diameter.

This is highly unusual because, up to now, the vast majority of the world’s known coral reefs sit at depths of up to 25m. So this discovery suggests that there are many more large reefs out there, at depths of more than 30 metres, in what is known as the ocean’s ‘twilight zone’, which we simply do not know about.