"Knotted Fan Coral (Melithaea ochracea), soft coral, Great Barrier Reef, UNESCO World Natural Heritage Site, Pacific Ocean, Queensland, Australia, Oceania"

"Snowflake Moray Eel (Echidna nebulosa), Great Barrier Reef, UNESCO World Natural Heritage Site, Pacific Ocean, Queensland, Australia, Oceania"

"Solar-powered Phyllodesmium (Phyllodesmium longicirrum), 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"

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

"Commerson's Frogfish or Giant Frogfish (Antennarius commerson), Great Barrier Reef, UNESCO World Natural Heritage Site, Pacific Ocean, Queensland, Australia, Oceania"

"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"

"Dash-and-dot Goatfish (Parupeneus barbe rinus) dormant, Great Barrier Reef, UNESCO World Natural Heritage Site, Pacific Ocean, Queensland, Australia, Oceania"

"Aerial view, Heart Reef, 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

Aerial view Great Barrier Reef, Queensland, Australia, Oceania

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

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

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

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