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

Grey reef shark (Carcharhinus amblyrhynchos) swims over sandy bottom, Pacific Ocean, French Polynesia, Oceania

"Grey Reef Shark (Carcharhinus amblyrhynchos) over a sandy sea bottom, Bora Bora, Leeward Islands, Society Islands, French Polynesia, France, Oceania"

Grey reef shark (Carcharhinus amblyrhynchos), Osprey Reef, Coral Sea, Australia, Oceania

"Blacktip Reef Shark (Carcharhinus melanopterus), with Niger Trigger Fish (Odonus niger), UNESCO World Heritage Site, Great Barrier Reef, Australia, Pacific Ocean, Oceania"

Grey reef shark (Carcharhinus amblyrhynchos), Osprey Reef, Coral Sea, Australia, Oceania

"Three Grey Reef Sharks (Carcharhinus amblyrhynchos), Embudu Channel, Indian Ocean, Tilla or Tila, South Male Atoll, Maldives, Asia"

Silvertip shark (Carcharhinus albimarginatus) floats over coral reef, Pacific Ocean, French Polynesia, Oceania

Gray reef shark (Carcharhinus amblyrhynchos), choppy water surface, Indian Ocean, Maldives, Asia

Oceanic Whitetip Shark (Carcharhinus longimanus) swimming in blue water, Great Barrier Reef, UNESCO World Heritage Site, Cairns, Queensland, Australia, Pacific, Oceania

Oceanic Whitetip Shark (Carcharhinus longimanus) in blue water, shadow of boat in the back, Great Barrier Reef, UNESCO World Heritage Site, Cairns, Queensland, Australia, Pacific, Oceania

Blacktip reef sharks (Carcharhinus melanopterus), Marovo Lagoon, Solomon Islands, Oceania

"Grey Reef Shark (Carcharhinus amblyrhynchos), Pacific Ocean, Palau, Oceania"