Scubadiver and Bottle-Nosed Dolphin (Tursiops truncatus) swimming underwater, Bahamas

Shoal of Barracuda (Sphyraenidae) fish swimming underwater

Scubadiver flashing light on Whaleshark (Rhincodon Typus) underwater

Shoal of Crescent-tail Bigeye (Priacanthus hamrur) fish swimming underwater

Two Coral groupers (Cephalopholis miniata) swimming over coral reef, Sinai, Egypt, Red Sea, underwater shot

Pharao Cuttlefish (Sepia pharaonis), Myanmar, Andaman sea, underwater shot

Manta Ray (Manta birostris) swimming close to seabed, Ari atoll, Maldives

Two snorkeling woman spotting blue starfish (Asteroidea) on coral reef, Bali, Indian Ocean, underwater shot

Hawksbill turtle (Eretmochelys imbricata) eating jellyfish and scuba diver, Ari Atoll, Maldives, Indian Ocean, underwater shot

School of Humback Snappers (Lutjanus gibbus), Maldives, Indian Ocean

Malabar Grouper, Epinephelus malabaricus, Great Barrier Reef, Australia.

Octopus vulgaris on reef, Andaman sea, Myanmar, rear view

Close-up of fish swimming underwater

Water turtle swimming over coral underwater, Maldives

Dendrochirus brachypterus

Yellow tang (Zebrasoma flavescens)

Spotted Surgeonfish (Ctenochaetus strigosus) and Fire Goby (Nemateleotris magnifica)

tropical fish

diver and fish

Butterflyfish swimming away from two Great White Sharks.

A group of Ichthyosaurs swimming in prehistoric waters.

A group of large Ichthyosaurus marine reptiles swimming in prehistoric waters.

A colorful clownfish swims among the corals of an ocean reef.

Two humpback whales over a reef in shallow ocean waters.

Plesiosaurus dinosaurs chase a school of Lemonpeel Angelfish.

Adult royal angelfish parents guarding their young.

A school of Pennant fish swim by two Humpback whales.

A group of angelfish swim near a rock full of coral incrustations.

A group of butterflyfish swim over a coral reef.

Scubadiver swimming behind corals underwater