"Anglerfish or Frogfish species (Antennarius sp. ), UNESCO World Heritage Site, Great Barrier Reef, Australia, Pacific Ocean, Oceania"

"Female scuba diver looking at Gorgonian or Fan Coral, Soft Coral (Melithaea sp. ), UNESCO World Heritage Site, Great Barrier Reef, Australia, Pacific Ocean, Oceania"

"Coral reef with various stony corals, scuba diver at the back, Great Barrier Reef, UNESCO World Natural Heritage Site, Pacific Ocean, Queensland, Australia, Oceania"

"Coral Hind, Blue-Spot Rockcod or Coral Grouper (Cephalopholis miniata), Great Barrier Reef, UNESCO World Natural Heritage Site, Pacific Ocean, Queensland, Australia, Oceania"

"Pacific Red Lionfish (Pterois volitans), Great Barrier Reef, UNESCO World Natural Heritage Site, Pacific Ocean, Queensland, Australia, Oceania"

"Yellow Longnose Butterflyfish (Forcipiger flavissimus), Great Barrier Reef, UNESCO World Natural Heritage Site, Pacific Ocean, Queensland, Australia, Oceania"

Leather Coral (Sinularia sp. ), detail, Great Barrier Reef, UNESCO World Heritage Site, Cairns, Queensland, Australia, Pacific, Oceania

"Leaf Scorpionfish or Paperfish (Taenianotus triacanthus), 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"

"Harlequin Sweetlips (Plectorhinchus chaetodonoides), juvenile fish, Great Barrier Reef, UNESCO World Natural Heritage Site, Pacific Ocean, Queensland, Australia, Oceania"

"Coral block with Stone Corals. Sebae Anemone (Heteractis crispa), Clark's Anemonefish (Amphiprion clarkii), UNESCO World Heritage Site, Great Barrier Reef, Australia, Pacific Ocean, Oceania"

"Honeycomb Morays (Gymnothorax favagineus) pair in a hole in the coral reef, UNESCO World Heritage Site, Great Barrier Reef, Australia, Pacific Ocean, Oceania"

"Aerial view of the Great Barrier Reef, UNESCO World Heritage Site, Queensland, Australia, Oceania"

"Aerial view of the Great Barrier Reef, UNESCO World Heritage Site, Queensland, Australia, Oceania"

"Aerial view of the Great Barrier Reef, UNESCO World Heritage Site, Queensland, Australia, Oceania"

Aerial view Great Barrier Reef, Queensland, Australia, Oceania

Aerial view Great Barrier Reef, Queensland, Australia, Oceania

Leopard coral grouper (Plectropomus leopardus), Great Barrier Reef, Australia, Oceania

Aerial view Great Barrier Reef, Queensland, Australia, Oceania

Aerial view of Green Island, Great Barrier Reef, Queensland, Australia, Oceania

Titan triggerfish (Balistoides viridescens), Great Barrier Reef, Australia, Oceania

Red snapper (Lutjanus bohar), Great Barrier Reef, Australia, Oceania

Titan triggerfish (Balistoides viridescens), Great Barrier Reef, Australia, Oceania

Malabar grouper (Epinephelus malabaricus), Great Barrier Reef, Australia, Oceania

Leather Coral (Sarcophyton sp. ) at coral reef, Great Barrier Reef, UNESCO World Heritage Site, Cairns, Queensland, Australia, Pacific, Oceania