1112-9808 - Curious adult bull walrus (Odobenus rosmarus rosmarus) approach the ship at Moffen Island in the Svalbard Archipelago, Norway, Arctic, Europe

1112-9727 - A very rare sighting of an adult Blue Whale (Balaenoptera musculus) surfacing in the Svalbard Archipelago, Norway, Arctic, Europe

1387-837 - Whale Shark, La Paz, Mexico.

1387-729 - Two oceanic manta rays (Mobula birostris) coming in to a cleaning station, Maldives.

1387-727 - Humpback whale (Megaptera novaeangliae) mother and her calf.

1387-726 - Humpback whale (Megaptera novaeangliae) calf playing at the surface.

1387-725 - Humpback whale (Megaptera novaeangliae) mother and her calf.

1387-723 - Humpback whale (Megaptera novaeangliae) calf playing at the surface.

1112-9487 - Adult bull southern elephant seal (Mirounga leonina) issuing a bellowing challenge at Gold Harbour on South Georgia, Polar Regions

1387-698 - A large Napoleon wrasse swimming over a coral reef, Red Sea.

1387-693 - A reef manta ray (Mobula alfredi), hovers over a reef where small cleaner wrasse will relieve her of her parasites, Maldives.

1387-684 - A giant manta ray (Mobula birostris) soars by under the sun, Socorro Island, Mexico.

1387-681 - Head-on view of a giant jawfish in the Sea of Cortez.

1387-655 - A large crocodile lurks on the bottom of the sea, Caribbean Sea, Mexico.

1387-636 - A humpback whale breaches completely out of the water.

1387-631 - A titan triggerfish aggressively defends it's nest of eggs in the sand.

1387-616 - Pacific octopus off the coast of California.

1387-614 - A manta ray passes overhead under the sun, Socorro Island, Mexico.

1387-578 - A black manta ray, Mobula alfredi, visits a cleaning station on a reef in Komodo National Park, Indonesia.

1387-570 - A bright yellow crinoid clings to a healthy coral reef near Alor, Indonesia.

1387-566 - A black manta ray, Mobula alfredi, visits a cleaning station on a reef in Komodo National Park, Indonesia.

1387-561 - A huge whale shark, Rhincodon typus, swims in sunlit Indonesian waters. This massive yet harmless shark feeds on planktonic organisms and can sometimes be found swimming near fishing platforms due to the scent of fish.

1387-559 - A huge whale shark, Rhincodon typus, swims in sunlit Indonesian waters. This massive yet harmless shark feeds on planktonic organisms and can sometimes be found swimming near fishing platforms due to the scent of fish.

1387-552 - A huge whale shark, Rhincodon typus, swims in sunlit Indonesian waters. This massive yet harmless shark feeds on planktonic organisms and can sometimes be found swimming near fishing platforms due to the scent of fish.

1387-549 - A sinuous soft coral grows in the shallows amid the tropical islands of Raja Ampat, Indonesia.

1387-546 - A large manta ray, Mobula alfredi, swimming along a reef drop off in Raja Ampat, Indonesia.

1387-540 - A huge giant clam, Tridacna gigas, grows on a shallow coral reef amid the tropical islands of Raja Ampat, Indonesia.

1387-529 - Cardinalfish school around a colorful coral bommie growing on a reef in Raja Ampat, Indonesia.

1387-527 - A soft coral and large gorgonian thrive on a beautiful coral reef in Raja Ampat, Indonesia.

1387-528 - A brightly colored soft coral adorns a beautiful coral reef in Raja Ampat, Indonesia.

1387-524 - A colorful soft coral adorns a giant clam, Tridacna sp., growing on a healthy reef in Raja Ampat, Indonesia.

1387-521 - A massive giant clam, Tridacna gigas, grows on a shallow coral reef in Raja Ampat, Indonesia.

1387-510 - A broadclub cuttlefish, Sepia latimanus, hovers above a reef in Sulawesi, Indonesia.

1387-474 - A humpback whale, Megaptera novaeangliae, raises its powerful fluke out of the blue waters of the Caribbean Sea and slams it down on the surface to communicate.

1387-472 - A young humpback whale, Megaptera novaeangliae, breaches out of the blue waters of the Caribbean Sea.

1387-473 - A humpback whale, Megaptera novaeangliae, raises its powerful fluke out of the blue waters of the Caribbean Sea and slams it down on the surface to communicate.

1387-453 - A magnificent humpback whale, Megaptera novaeangliae, swims in the clear, blue waters of the Caribbean Sea.

1387-451 - Mother and calf humpback whales, Megaptera novaeangliae, swim in the clear, blue waters of the Caribbean Sea.

1387-452 - A magnificent humpback whale, Megaptera novaeangliae, swims in the clear, blue waters of the Caribbean Sea.

1387-450 - Mother and calf humpback whales, Megaptera novaeangliae, swim in the clear, blue waters of the Caribbean Sea.

1387-445 - A pair of Chromodoris annae nudibranch crawl on a large tunicate among the remote, tropical islands of Raja Ampat, Indonesia.

1387-424 - A large roughtail stingray, Dasyatis centroura, lays on the seagrass-covered seafloor of Turneffe Atoll off the coast of Belize. This reef is part of the massive Mesoamerican Reef System in the Caribbean Sea, the second largest barrier reef on Earth.

1387-423 - A large roughtail stingray, Dasyatis centroura, lays on the seagrass-covered seafloor of Turneffe Atoll off the coast of Belize. This reef is part of the massive Mesoamerican Reef System in the Caribbean Sea, the second largest barrier reef on Earth.

1387-416 - A large banded sea snake, Laticauda colubrina, sinuously swims over a beautiful reef in Wakatobi National Park, Indonesia.

1387-358 - A manta ray (Mobula alfredi) swimming near a cleaning station in Raja Ampat, Indonesia.

1387-326 - A large mantis shrimp (Lysosquilla sp.) uses its excellent eyesight to scan its underwater environment in the Lesser Sunda Islands of Indonesia.

1387-321 - A large map pufferfish (Arothron mappa) swims along a reef in Komodo National Park, Indonesia.

1387-275 - A colorful set of gorgonians, reef-building corals, and other invertebrates grow on a diverse reef in the Caribbean Sea.

1387-274 - A colorful set of gorgonians, reef-building corals, and other invertebrates grow on a diverse reef in the Caribbean Sea.

1387-271 - A large roughtail stingray (Dasyatis centroura) rests on the seafloor near Turneffe Atoll, Belize. This species is found throughout much of the Atlantic near reefs.

1387-270 - A colorful set of gorgonians, reef-building corals, and other invertebrates grow on a diverse reef in the Caribbean Sea.

1387-268 - A large black-blotched stingray (Taeniura meyeni) swims in deep water near Cocos Island, Costa Rica. This remote island is home to an incredible variety of marine life.

1387-264 - Crinoids cling to a large sponge on a healthy coral reef near the island of Sulawesi, Indonesia. This beautiful, tropical region is home to an incredible variety of marine life.

1387-257 - Sunlight sparkles through a table coral (Acropora sp.) in Komodo National Park, Indonesia. This tropical region in Indonesia is known for its spectacular coral reefs and high marine biodiversity.

1387-254 - A colorful crinoid clings to a coral reef slope in Komodo National Park, Indonesia. This tropical region in Indonesia is known for its spectacular coral reefs and high marine biodiversity.

1387-239 - Detail of a large coral polyp in Komodo National Park, Indonesia. This tropical region in Indonesia is known for its spectacular coral reefs and high marine biodiversity.

1387-202 - A large reef manta ray (Mobula alfredi) swims through clear water in Raja Ampat, Indonesia. This beautiful region is known as the heart of the Coral Triangle and is a popular destination for scuba divers and snorkelers.

1387-178 - A giant oceanic manta ray (Manta birostris) with beautiful distinct markings, topside view, Dampier Strait, Raja Ampat, West Papua, Indonesia, Southeast Asia, Asia

1387-176 - The reef manta ray (Manta alfredi) with yellow pilot fish in front of its mouth, Dampier Strait, Raja Ampat, West Papua, Indonesia, Southeast Asia, Asia

1387-177 - Underside view of a giant oceanic manta ray (Mobula birostris), Dampier Strait, Raja Ampat, West Papua, Indonesia, Southeast Asia, Asia

1387-144 - A young humpback whale (Megaptera novaeangliae), underwater, Hawaii, United States of America, Pacific, North America

1387-143 - A young humpback whale (Megaptera novaeangliae), underwater, Hawaii, United States of America, Pacific, North America

1387-142 - A breaching humpback whale calf (Megaptera novaeangliae), off Maui, Hawaii, United States of America, Pacific, North America

1387-141 - Breaching humpback whale (Megaptera novaeangliae), Hawaii, United States of America, Pacific, North America

1387-140 - A humpback whale calf (Megaptera novaeangliae) breaching of the island of Maui, Hawaii, United States of America, Pacific, North America

1387-138 - A humpback whale (Megaptera novaeangliae) glides through the blue waters of Hawaii, United States of America, Pacific, North America

1387-139 - A humpback whale calf (Megaptera novaeangliae) heading to the surface, Hawaii, United States of America, Pacific, North America

1387-137 - A young humpback whale calf testing out its leaping capabilities, Hawaii, United States of America, Pacific, North America

1387-136 - The tail of a humpback whale (Megaptera novaeangliae), off the coast of Lanai, Hawaii, United States of America, Pacific, North America

1387-135 - Breaching humpback whale (Megaptera novaeangliae), Hawaii, United States of America, Pacific, North America

1387-119 - A nocturnal left handed hermit crab (Dardanus gemmatus), Philippines, Southeast Asia, Asia

1387-103 - Endangered Florida manatee (Trichechus manatus latirostris), at Three Sisters Spring in Crystal River, Florida, United States of America, North America

1387-99 - Endangered Florida manatee (Trichechus manatus latirostris), at Three Sisters Spring in Crystal River, Florida, United States of America, North America

1387-81 - Atlantic bottlenose dolphin (Tursiops truncatus), Curacao, Netherlands Antilles, Caribbean, Central America

1387-42 - Florida manatees (Trichechus manatus latirostris), gather at Three Sisters Springs in Crystal River, Florida, United States of America, North America

1387-41 - Florida manatees (Trichechus manatus latirostris), gather at Three Sisters Springs in Crystal River, Florida, United States of America, North America

1387-25 - Humpback whales (Megaptera novaeangliae), underwater off the coast of Hawaii, United States of America, Pacific, North America

1387-24 - Humpback whales (Megaptera novaeangliae), underwater off the coast of Hawaii, United States of America, Pacific, North America

741-6614 - An African elephant (Loxodonta africana) chases away a lion (Panthera leo) resting along its path, Savuti, Chobe National Park, Botswana, Africa

741-6612 - African elephant (Loxodonta africana) at a waterhole, Savuti, Chobe National Park, Botswana, Africa

741-6589 - Lion (Panthera leo) walking, Savuti, Chobe National Park, Botswana, Africa

741-6585 - Hippopotamuses (Hippopotamus amphibius) in the river Khwai, Okavango Delta, Botswana, Africa

741-6578 - African elephant (Loxodonta africana), Khwai, Okavango Delta, Botswana, Africa

741-6576 - Hippopotamus (Hippopotamus amphibius) in the river Khwai, Okavango Delta, Botswana, Africa

741-6575 - Hippopotamus (Hippopotamus amphibius) in the river Khwai, Okavango Delta, Botswana, Africa

741-6574 - Hippopotamus (Hippopotamus amphibius) in the river Khwai, Okavango Delta, Botswana, Africa

741-6557 - African elephant (Loxodonta africana) and giraffes (Giraffa camelopardalis) at sunset, Nxai Pan National Park, Botswana, Africa

741-6556 - African elephant (Loxodonta africana) at sunset, Nxai Pan National Park, Botswana, Africa

741-6555 - African elephant (Loxodonta africana) at sunset, Nxai Pan National Park, Botswana, Africa

741-6554 - African elephant (Loxodonta africana) at sunset, Nxai Pan National Park, Botswana, Africa

741-6552 - African elephant (Loxodonta africana) at sunset, Nxai Pan National Park, Botswana, Africa

741-6548 - African elephants (Loxodonta africana) at sunset, Nxai Pan National Park, Botswana, Africa

741-6546 - African elephants (Loxodonta africana) at waterhole, Nxai Pan National Park, Botswana, Africa

741-6543 - African elephants (Loxodonta africana) at waterhole, Nxai Pan National Park, Botswana, Africa

741-6541 - African elephants (Loxodonta africana), Nxai Pan National Park, Botswana, Africa

741-6535 - African elephant (Loxodonta africana) at waterhole, Nxai Pan National Park, Botswana, Africa

741-6534 - African elephant (Loxodonta africana), Nxai Pan National Park, Botswana, Africa

741-6533 - African elephant (Loxodonta africana), Nxai Pan National Park, Botswana, Africa

741-6527 - African elephant (Loxodonta africana) and wildebeets (Gnu) (Connochaetes taurinus) at waterhole, Nxai Pan National Park, Botswana, Africa

741-6522 - African elephant (Loxodonta africana) at waterhole, Nxai Pan National Park, Botswana, Africa