A starfish resting on hard coral, Ribbon Reefs, north of Cooktown, Great Barrier Reef
![](/sites/default/files/2020-07/1900s_1975_GreatBarrierReefMarinePark_4.jpg?v=1)
The Great Barrier Reef is the world’s largest coral reef ecosystem and is located off the coast of Queensland.
Source
Richard Ling, bit.ly/2oMksuO, creativecommons.org/licenses/by-sa/2.5/
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