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

"Blacktip Reef Shark (Carcharhinus melanopterus) with Live Sharksucker (Echeneis naucrates), UNESCO World Heritage Site, Great Barrier Reef, Australia, Pacific Ocean, Oceania"

"Divers looking at a pair of Broadclub Cuttlefish (Sepia latimanus), UNESCO World Heritage Site, Great Barrier Reef, Australia, Pacific Ocean, Oceania"

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

"Pagoda Coral (Turbinaria mesenterina), scuba diver at the back, 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"

"Female scuba diver looking at a Gorgonian, Fan Coral, Soft Coral, UNESCO World Heritage Site, Great Barrier Reef, Australia, Pacific Ocean, 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"

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

"Scuba diver behind Knotted Fan Coral (Melithaea ochracea), soft coral, 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

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

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

Pair of bannerfish (Heniochus acuminatus), Great Barrier Reef, Australia, Oceania

Broad lump squid (Sepia latimanus), Great Barrier Reef, Australia, Oceania

Broad lump squid (Sepia latimanus), Great Barrier Reef, Australia, Oceania

"Painted Frogfish or Painted Anglerfish (Antennarius pictus), UNESCO World Heritage Site, Great Barrier Reef, Australia, Pacific Ocean, Oceania"