The Great Barrier Reef, Queensland, Australia

Great Barrier Reef, UNESCO World Heritage Site, Queensland, Australia, Pacific

Great Barrier Reef, UNESCO World Heritage Site, Queensland, Australia, Pacific

Great Barrier Reef, UNESCO World Heritage Site, Queensland, Australia, Pacific

Sea plane and yacht, Hamilton Island, Great Barrier Reef, Queensland, Australia, Pacific

Free diving snorkeller and sunburst on the Great Barrier Reef, UNESCO World Heritage Site, Cairns, Queensland, Australia, Pacific

Hard and soft coral landscape scenic at Thetford Reef on the Great Barrier Reef, UNESCO World Heritage Site, Cairns, Queensland, Australia, Pacific

Scuba diver swimming with Gopro in coral landscape scenic at Thetford Reef on the Great Barrier Reef, UNESCO World Heritage Site, Cairns, Queensland, Australia, Pacific

An aerial view of the Great Barrier Reef, UNESCO World Heritage Site, Queensland, Australia, Pacific

Aerial of the Great Barrier Reef, UNESCO World Heritage Site, Queensland, Australia, Pacific

Mast Head Island, Great Barrier Reef, UNESCO World Heritage Site, Queensland, Australia, Pacific

Aerial photography of coral reef formations of the Great Barrier Reef, UNESCO World Heritage Site, near Cairns, North Queensland, Australia, Pacific

Potato cod (Epinephelus tuku) (potato grouper) (potato bass), Cod Hole, North Ribbon reef, Great Barrier Reef, Queensland, Australia, Pacific

Striped sweetlips (diagonal banded sweetlips) (Plectorhinchus lineatus), North Ribbon Reef, Great Barrier Reef, UNESCO World Heritage Site, Queensland, Australia, Pacific

Schooling yellow-striped goatfish (Mulloidichthys vanicolensis). Great Barrier Reef, Queensland, Australia, Pacific

Potato cod (Epinephelus tukula) being cleaned by cleaner wrasse (Labroides dimidiatus), Cod Hole, Great Barrier Reef, Queensland, Australia, Pacific

Potato cod (Epinephelus tukula) (potato grouper) (potato bass), Cod Hole, North Ribbon reef, Great Barrier Reef, Queensland, Australia, Pacific

Scuba Diver and Potato Cod, Epinephelus tukula, Cod Hole, Great Barrier Reef, Australia

Broadclub Cuttlefish, Sepia latimanus, Great Barrier Reef, Australia

Scuba Diver over Coral Reef, Osprey Reef, Coral Sea, Australia

Potato Cod Feeding, Epinephelus tukula, Cod Hole, Great Barrier Reef, Australia

Watsons Bay Lizard Island, Great Barrier Reef, Australia

Aerial photography of coral reef formations of the Great Barrier Reef, UNESCO World Heritage Site, near Cairns, North Queensland, Australia, Pacific

Christmas-Tree Worm, Spirobranchus giganteus, Osprey Reef, Coral Sea, Australia

Scuba Diver taking pictures of Potato Cod, Epinephelus tukula, Cod Hole, Great Barrier Reef, Australia

Potato Cod, Epinephelus tukula, Cod Hole, Great Barrier Reef, Australia

Red Snapper, Lutjanus bohar, Great Barrier Reef, Australia

Scuba Diver taking pictures of Potato Cod, Epinephelus tukula, Cod Hole, Great Barrier Reef, Australia

Scuba Diver over Coral Reef, Osprey Reef, Coral Sea, Australia

Broadclub Cuttlefish, Sepia latimanus, Great Barrier Reef, Australia

Potato Cod Feeding, Epinephelus tukula, Cod Hole, Great Barrier Reef, Australia

Broadclub Cuttlefish, Sepia latimanus, Great Barrier Reef, Australia

Tourists on Lizard Island, Great Barrier Reef, Australia

Giant Moray, Gymnothorax javanicus, Great Barrier Reef, Australia

Reef Stonefish, Synanceia verrucosa, Osprey Reef, Coral Sea, Australia

Clown Anemonefish, Amphiprion percula, Osprey Reef, Coral Sea, Australia

Happy after Scuba Diving on Liveaboard, Great Barrier Reef, Australia

Scuba Diver over Coral Reef, Osprey Reef, Coral Sea, Australia

Aerial View of Great Barrier Reef, Queensland, Australia

Scuba Diver climbing Boat, Great Barrier Reef, Australia

Aerial View of Great Barrier Reef, Queensland, Australia

Leopard Coral Grouper, Plectropomus leopardus, Great Barrier Reef, Australia

Clown Anemonefish, Amphiprion percula, Osprey Reef, Coral Sea, Australia

Scuba Diver and Potato Cod, Epinephelus tukula, Cod Hole, Great Barrier Reef, Australia

Malabar Grouper, Epinephelus malabaricus, Great Barrier Reef, Australia

Scuba Diver and Potato Cod, Epinephelus tukula, Cod Hole, Great Barrier Reef, Australia

Elongate Surgeonfish cleaned by Cleaner Wrasse, Acanthurus mata, Great Barrier Reef, Australia

Titan Triggerfish, Balistoides viridescens, Great Barrier Reef, Australia

Malabar Grouper, Epinephelus malabaricus, Great Barrier Reef, Australia

Reef Stonefish, Synanceia verrucosa, Osprey Reef, Coral Sea, Australia

Shoal of Neon fusilier, Pterocaesio tile, Great Barrier Reef, Australia

Scuba Diver and Potato Cod, Epinephelus tukula, Cod Hole, Great Barrier Reef, Australia

Aerial View of Great Barrier Reef, Queensland, Australia

Scuba Diver and Flowery Grouper, Epinephelus fuscoguttatus, Great Barrier Reef, Australia

Broadclub Cuttlefish, Sepia latimanus, Great Barrier Reef, Australia

Whitleys Slender Basslet between Mushroom Leather Corals, Luzonichthys whitleyi, Great Barrier Reef, Australia

Shoal of Bigeye Snapper and Fivelined Snapper, Lutjanus lutjanus, Great Barrier Reef, Australia

Reef Stonefish, Synanceia verrucosa, Osprey Reef, Coral Sea, Australia

Scuba Diver and Flowery Grouper, Epinephelus fuscoguttatus, Great Barrier Reef, Australia

Shoal of Blackfin Barracuda, Sphyraena qenie, Great Barrier Reef, Australia

Clown Anemonefish, Amphiprion percula, Great Barrier Reef, Australia

Aerial photography of coral reef formations of the Great Barrier Reef, UNESCO World Heritage Site, near Cairns, North Queensland, Australia, Pacific

Christmas-Tree Worm, Spirobranchus giganteus, Osprey Reef, Coral Sea, Australia

Christmas-Tree Worm, Spirobranchus giganteus, Osprey Reef, Coral Sea, Australia

Clown Anemonefish, Amphiprion percula, Great Barrier Reef, Australia

Aerial photography of coral reef formations of the Great Barrier Reef, UNESCO World Heritage Site, near Cairns, North Queensland, Australia, Pacific

Aerial photography of coral reef formations of the Great Barrier Reef, UNESCO World Heritage Site, near Cairns, North Queensland, Australia, Pacific

Pair of Longfin Bannerfish, Heniochus acuminatus, Great Barrier Reef, Australia

Scuba Diver over Coral Reef, Osprey Reef, Coral Sea, Australia

Shoal of Bigeye Snapper and Fivelined Snapper, Lutjanus lutjanus, Great Barrier Reef, Australia

Group of Longfin Bannerfish, Heniochus acuminatus, Great Barrier Reef, Australia

Species-rich Coral Reef, Osprey Reef, Coral Sea, Australia

Potato Cod Feeding, Epinephelus tukula, Cod Hole, Great Barrier Reef, Australia

Watsons Bay Lizard Island, Great Barrier Reef, Australia

Liveaboard am Great Barrier Reef, Great Barrier Reef, Australia

Aerial View of Great Barrier Reef, Queensland, Australia

Whitleys Slender Basslet between Mushroom Leather Corals, Luzonichthys whitleyi, Great Barrier Reef, Australia

Reef Stonefish, Synanceia verrucosa, Osprey Reef, Coral Sea, Australia

Shoal of Blackfin Barracuda, Sphyraena qenie, Great Barrier Reef, Australia

Aerial View of Great Barrier Reef, Queensland, Australia

Aerial View of Great Barrier Reef, Queensland, Australia

Broadclub Cuttlefish, Sepia latimanus, Great Barrier Reef, Australia

Watsons Bay Lizard Island, Great Barrier Reef, Australia

Aerial View of Great Barrier Reef, Queensland, Australia

Titan Triggerfish, Balistoides viridescens, Great Barrier Reef, Australia

Christmas-Tree Worm, Spirobranchus giganteus, Osprey Reef, Coral Sea, Australia

Scuba Diver and Potato Cod, Epinephelus tukula, Cod Hole, Great Barrier Reef, Australia

Shoal of Bigeye Snapper, Lutjanus lutjanus, Great Barrier Reef, Australia

Clown Anemonefish, Amphiprion percula, Great Barrier Reef, Australia

Potato Cod, Epinephelus tukula, Great Barrier Reef, Australia

Scuba Diver over Coral Reef, Osprey Reef, Coral Sea, Australia

Barramundi Cod, Cromileptes altivelis, Great Barrier Reef, Australia

Aerial View of Great Barrier Reef, Queensland, Australia

Barramundi Cod, Cromileptes altivelis, Great Barrier Reef, Australia

Shoal of Bigeye Trevally, Caranx sexfasciatus, Great Barrier Reef, Australia

Barramundi Cod, Cromileptes altivelis, Great Barrier Reef, Australia

Giant Moray, Gymnothorax javanicus, Great Barrier Reef, Australia

Watsons Bay Lizard Island, Great Barrier Reef, Australia

Shoal of Bigeye Snapper and Fivelined Snapper, Lutjanus lutjanus, Great Barrier Reef, Australia

Watsons Bay Lizard Island, Great Barrier Reef, Australia