Schooling king angelfish (Holacanthus passer), underwater in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America

California sea lions relaxing at Pier 39, San Francisco, San Francisco Peninsula, California, United States of America, North America

Southern elephant seal (Mirounga leonina) pup, called weaners once their mothers stop nursing, South Georgia Island, Southern Ocean

A young polar bear (Ursus maritimus) scavenging a fresh bearded seal kill recently vacated by old male that killed the seal, Svalbard, Norway

Galapagos sea lion (Zalophus wollebaeki) underwater in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America

Harbor seal (Phoca vitulina) hauled out on submerged log in Misty Fjords National Monument, Southeast Alaska, United States of America

Northern (Steller) sea lions (Eumetopias jubatus) hauled out at South Marble Island in Glacier Bay National Park, UNESCO World Heritage Site, Alaska, United States of America, North America

A multitude of sponges, tunicates, feather stars, sea stars, soft and hard corals as well as fish co-exist harmoniously in the reefs at Cogon, Apo Island marine reserve, Philippines, Visayan sea, Southeast Asia, Asia

Pia bay or Pia Fjord, in Beagle Channel (northwest branch), PN Alberto de Agostini, Tierra del Fuego, Patagonia, Chile

Pia Glacier, from Pia bay, in Beagle Channel (northwest branch), PN Alberto de Agostini, Tierra del Fuego, Patagonia, Chile

Explorers riding a zodiac, in Seno Almirantazgo, PN Alberto de Agostini, Tierra del Fuego, Patagonia, Chile

Imperial cormorant (Phalacrocorax atriceps), Tuckers Islets, Whiteside Canal, PN Alberto de Agostini, Tierra del Fuego, Patagonia, Chile

Pia Glacier, from Pia bay, in Beagle Channel (northwest branch), PN Alberto de Agostini, Tierra del Fuego, Patagonia, Chile

Detail of Cordillera Darwin, from Beagle Channel (northwest branch), PN Alberto de Agostini, Tierra del Fuego, Patagonia, Chile

Traro (Caracara plancus), Tuckers Islets, Whiteside Canal, PN Alberto de Agostini, Tierra del Fuego, Patagonia, Chile

East cost with Resort Eden Island, Ile au Cerf, Ste Anne Marine National Park, Mahe Island, Seychelles, Africa

Seaplane in Great Barrier Reef Marine Park, Whitsunday Islands National Park, Whitsunday Islands, Queensland, Australia, Oceania

Peacock mantis shrimp (Odontodactylus scyllarus), Sodwana Bay National Park dive site, Maputaland Marine Reserve, KwaZulu Natal, South Africa, Africa

Peacock mantis shrimp (Odontodactylus scyllarus), Sodwana Bay National Park dive site, Maputaland Marine Reserve, KwaZulu Natal, South Africa, Africa

Yellow-edged moray (Gymnothorax flavimarginatus) at cleaning station with pacific cleaner shrimp (Lysmata amboinensis), Sodwana Bay National Park dive site, Maputaland Marine Reserve, KwaZulu Natal, South Africa, Africa

Perspective Sundial Shell (Architectonica perspectiva), Komodo National Park, Indonesia, Southeast Asia

Peacock mantis shrimp (Odontodactylus scyllarus), Sodwana Bay National Park dive site, Maputaland Marine Reserve, KwaZulu Natal, South Africa, Africa

Peacock mantis shrimp (Odontodactylus scyllarus), Sodwana Bay National Park dive site, Maputaland Marine Reserve, KwaZulu Natal, South Africa, Africa

Common cuttlefish (Sepia officinalis), El Cabron marine reserve dive site, Arinaga, Gran Canaria, Spain, Atlantic Ocean, Europe

Peacock mantis shrimp (Odontodactylus scyllarus), Sodwana Bay National Park dive site, Maputaland Marine Reserve, KwaZulu Natal, South Africa, Africa

Jetty at the lighthouse on the Sanganeb Atoll, Marine Reserve Bur Sudan, UNESCO World Heritage Site, Sudan, Africa

Turkey moray (Gymnothorax meleagris) with open mouth, Sodwana Bay National Park dive site, Maputaland Marine Reserve, KwaZulu Natal, South Africa, Africa

Pacific hawksbill turtle (Eretmochelys imbricata bissa), Sodwana Bay National Park dive site, Maputaland Marine Reserve, KwaZulu Natal, South Africa, Africa

Peacock mantis shrimp (Odontodactylus scyllarus), Sodwana Bay National Park dive site, Maputaland Marine Reserve, KwaZulu Natal, South Africa, Africa

Jetty at the lighthouse on the Sanganeb Atoll, Marine Reserve Bur Sudan, UNESCO World Heritage Site, Sudan, Africa