Australasia - Dive Australia (69) More files...
Comprising nearly 3,000 individual reefs and 900 islands, Australia's Great Barrier Reef is the largest of its kind in the world. Covering an area of around 350,000 square kilometres off the coast of Queensland, the reef is the only living structure large enough to be seen from space, earning it a place among UNESCO's World Heritage Sites.

The Great Barrier Reef abounds with wildlife, including whales, turtles, reef sharks and more than 1000 species of fish.

Protection of the reef is partly funded by two million tourists and 5 million recreational visitors per year, but irresponsible tourism has led to increased pollution, one of several environmental threats, which also include overfishing and climate change.

Nature Picture Library has extensive coverage of the Great Barrie
Aerial view of Great Barrier Reef, Queensland, Australia
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Juergen Freund / Aerial view of Great Barrier Reef, Queensland, Australia
Aerial view of Hardy Reef, Great Barrier Reef and sea, Queensland, Australia
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Juergen Freund / Aerial view of Hardy Reef, Great Barrier Reef and sea, Queensland, Australia
Person diving the artifical reef which has developed on the sunken HMAS Perth. Albany, Western Australia
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Juergen Freund / Person diving the artifical reef which has developed on the sunken HMAS Perth. Albany, Western Australia
Aerial view of the Great Barrier Reef with tourist dive boat. Agincourt Reefs, off Port Douglas, Queensland
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Juergen Freund / Aerial view of the Great Barrier Reef with tourist dive boat. Agincourt Reefs, off Port Douglas, Queensland
Aerial view of the Great Barrier Reef with tourist dive boats. Agincourt Reefs, off Port Douglas, Queensland.
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Juergen Freund / Aerial view of the Great Barrier Reef with tourist dive boats. Agincourt Reefs, off Port Douglas, Queensland.
Quicksilver Pontoon with tourists snorkeling watching fish split-level, Great Barrier Reef, Queensland, Australia 2006
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Juergen Freund / Quicksilver Pontoon with tourists snorkeling watching fish split-level, Great Barrier Reef, Queensland, Australia 2006
Quicksilver Pontoon with tourists helmet diving to see marine wildlife, Great Barrier Reef, Queensland, Australia 2006
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Juergen Freund / Quicksilver Pontoon with tourists helmet diving to see marine wildlife, Great Barrier Reef, Queensland, Australia 2006
Snorkler diving down to view coral reef, Great Barrier Reef, Queensland, Australia
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Juergen Freund / Snorkler diving down to view coral reef, Great Barrier Reef, Queensland, Australia
Diver at examines coral reef, Great Barrier Reef, Australia
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Juergen Freund / Diver at examines coral reef, Great Barrier Reef, Australia
Diver + Soft coral {Dendronephthya sp} Great Barrier Reef, Australia.
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Juergen Freund / Diver + Soft coral {Dendronephthya sp} Great Barrier Reef, Australia.
Divers silhouetted at entrance to underwater cave, Queensland, Australia
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Juergen Freund / Divers silhouetted at entrance to underwater cave, Queensland, Australia
Coral reef with rays of sun penetrating water, Great Barrier Reef, Australia
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Juergen Freund / Coral reef with rays of sun penetrating water, Great Barrier Reef, Australia