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

"Whiptail Stingray (Dasyatidae) resting on the sandy ocean floor, Great Barrier Reef, UNESCO World Natural Heritage Site, Pacific Ocean, Queensland, Australia, Oceania"

"Yellowhead Moray Eel or Fimbriated Moray Eel (Gymnothorax fimbriatus), Great Barrier Reef, UNESCO World Natural Heritage Site, Pacific Ocean, Queensland, Australia, Oceania"

"Mimic Blenny or Piano Fangblenny (Plagiotremus tapeinosoma) in a burrow, Great Barrier Reef, UNESCO World Natural Heritage Site, Pacific Ocean, Queensland, Australia, Oceania"

"Red-Gilled Nembrotha (Nembrotha rutilans), feeding on Sea Squirts (Ascidiacea), 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"

Crocodilefish (Cymbacephalus beauforti), portrait, coral reef, Great Barrier Reef, UNESCO World Heritage Site, Cairns, Queensland, Australia, Pacific, Oceania

Giant Clam (Tridacna gigas), detail, Great Barrier Reef, UNESCO World Heritage Site, Cairns, Queensland, Australia, Pacific, Oceania

"Shoal of Sabre Squirrelfish, Giant Squirrelfish or Spiny Squirrelfish (Sargocentron spiniferum) swimming in front of a coral reef, UNESCO World Natural Heritage Site, Pacific Ocean, Queensland, Australia, Oceania"

Coral reef wall with different sponges and corals, Great Barrier Reef, UNESCO World Heritage Site, Cairns, Queensland, Australia, Pacific, Oceania

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

School of Yellowfin Goatfish (Mulloidichthys vanicolensis) swimming above coral reef, Great Barrier Reef, UNESCO World Heritage Site, Cairns, Queensland, Australia, Pacific, 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

Giant Moray moray (Gymnothorax javanicus), Great Barrier Reef, 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

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

Giant Barrel Sponge (Xestospongia testudinaria) on coral reef, Great Barrier Reef, UNESCO World Heritage Site, Cairns, Queensland, Australia, Pacific, Oceania