"Swarm of Two-spot Banded Snapper (Lutjanus biguttatus) swimming over a coral reef, Great Barrier Reef, UNESCO World Natural Heritage Site, Pacific Ocean, Queensland, Australia, Oceania"

"Swarm of Striped Large-eye Bream (Gnathodentex aureolineatus) swimming over a coral reef, Great Barrier Reef, UNESCO World Natural Heritage Site, Pacific Ocean, Queensland, Australia, Oceania"

"Leopard Chromodoris (Chromodoris leopardus) on the sandy ocean floor, Great Barrier Reef, UNESCO World Natural Heritage Site, Pacific Ocean, Queensland, Australia, Oceania"

"Thornback Cowfish or Shorthorn Cowfish (Lactoria penthacantha), juvenile fish, Great Barrier Reef, UNESCO World Natural Heritage Site, Pacific Ocean, Queensland, Australia, Oceania"

"Leaf Scorpionfish (Taenianotus triacanthus) hiding camouflaged in Acropora Coral (Acropora sp. ), UNESCO World Heritage Site, Great Barrier Reef, Australia, Pacific Ocean, Oceania"

"Colony of Sea Squirts (Ascidiacea) on a Giant Clam (Tridacna sp. ), UNESCO World Heritage Site, Great Barrier Reef, Australia, Pacific Ocean, Oceania"

"Grey Reef Shark (Carcharhinus amblyrhynchos) swimming above sandy sea floor, UNESCO World Heritage Site, Great Barrier Reef, Australia, Pacific Ocean, Oceania"

"Round Ribbontail Ray (Taeniura meyeni) swimming over a coral reef with Magnificent Sea Anemone or Ritteri Anemone (Heteractis magnifica), Great Barrier Reef, UNESCO World Natural Heritage Site, Pacific Ocean, Queensland, Australia, Oceania"

"Round Ribbontail Ray (Taeniura meyeni) swimming over the sandy ocean floor, Great Barrier Reef, UNESCO World Natural Heritage Site, Pacific Ocean, Queensland, Australia, Oceania"

"Valentinni's Sharpnose Puffer or Black Saddled Toby, (Canthigaster valentini), courting, Great Barrier Reef, UNESCO World Natural Heritage Site, Pacific Ocean, Queensland, Australia, Oceania"

"Round Ribbontail Ray (Taeniura meyeni) resting on the sandy ocean floor, Great Barrier Reef, UNESCO World Natural Heritage Site, Pacific Ocean, Queensland, Australia, Oceania"

"Devil Stinger or Bearded Ghoul (Inimicus didactylus) on the sandy ocean floor, Great Barrier Reef, UNESCO World Natural Heritage Site, Pacific Ocean, Queensland, Australia, Oceania"

Aerial view Great Barrier Reef, Queensland, Australia, Oceania

Aerial view Great Barrier Reef, Queensland, Australia, Oceania

Aerial view Great Barrier Reef, Queensland, Australia, Oceania

Reef with feather star and coral fish, Great Barrier Reef, Australia, Oceania

Barramundi Cod (Cromileptes altivelis), Great Barrier Reef, Australia, Oceania

Barramundi Cod (Cromileptes altivelis), Great Barrier Reef, Australia, Oceania

Barramundi Cod (Cromileptes altivelis), Great Barrier Reef, Australia, Oceania

Barramundi Cod (Cromileptes altivelis), Great Barrier Reef, Australia, Oceania

Kuhl's stingray (Neotrygon kuhlii), Great Barrier Reef, Australia, Oceania

Watsons Bay Lizard Island, Great Barrier Reef, Australia, Oceania

Triton's trumpet (Charonia tritonis), Osprey Reef, Coral Sea, Australia, Oceania

Reef stonefish (Synanceia verrucosa), Osprey Reeff, Coral Sea, Australia, Oceania

Open coral polyps on Mopsella sea fan (Mopsella) Pacific, Great Barrier Reef, UNESCO World Natural Heritage, Australia, Oceania