1231-63 - The underside of Blackfriars bridge on the South Bank of the River Thames. London, England, UK, Europe.

759-13809 - Male Banded Pipefish carries eggs underside, Doryrhamphus dactyliophorus, Tufi, Solomon Sea, Papua New Guinea

759-13808 - Male Banded Pipefish carries eggs underside, Doryrhamphus dactyliophorus, Tufi, Solomon Sea, Papua New Guinea

759-13435 - Underside of Horseshoe Crab, Limulus polyphemus, Cancun, Yucatan, Mexico

1350-6452 - Orange glow from reflected light on the underside of Eye of the Whale Arch in Arches National Park, Moab, Utah.

1350-6530 - Lion's mane jellyfish (Cyanea capillata) with tentacles retracted showing it's huge flowing underside, underneath sunlight penetrating the water in Inverclyde, Scotland.

1174-11238 - Sunrise at Mesa Arch in Canyonlands National Park at sunrise, the sun lighting the glowing sandstone underside of the arch

832-396811 - Northern gannet (Morus bassanus), bird observing overflying conspecifics, portrait of underside of head, Helgoland, Schleswig-Holstein, Germany, Europe

832-395208 - Underside of a spider's foot, macro photo, magnification ABM 5 :1, Hesse, Germany, Europe

1116-51891 - Hawaiian Green sea turtle (Chelonia mydas) swimming close to the surface with sunburst; Maui, Hawaii, United States of America

1116-51989 - A swordfish (Xiphias gladius) caught by fishing line and bait by the underside of a boat; Islamorada, Florida, United States of America

1116-50713 - Trans-Alaska Pipeline, Interior Alaska in summertime; Fairbanks, Alaska, United States of America

1116-51990 - A swordfish (Xiphias gladius) caught by fishing line by the underside of a boat; Islamorada, Florida, United States of America

1116-50711 - Trans-Alaska Pipeline, Interior Alaska in summertime; Fairbanks, Alaska, United States of America

832-393272 - Mammatus, hanging, bag-like source forms at the bottom of a Storm cloud (Cumulonimbus), Baden-Wuettemberg, Germany, Europe

1349-1376 - Southern Ring-necked Snake

1116-49089 - An underwater close-up view of a Hawaiian Green Sea Turtle (Chelonia mydas), Makena, Maui, Hawaii, United States of America

1116-49084 - An underwater view of a Hawaiian Green Sea Turtle (Chelonia mydas), Makena, Maui, Hawaii, United States of America

1116-50310 - Underneath the pier on Crescent Beach on a foggy day; Surrey, British Columbia, Canada

1174-9811 - Mechanic in a repair shop works on the underside of a car up on a lift

1174-9810 - Two mechanics work on the underside of a care on a lift in a repair shop

1174-9812 - Mechanic in a repair shop works on the underside of a car up on a lift

832-389413 - Graphic structure on underside of Red Pillow Starfish (Halithyle regularis), detail, Pacific, Great Barrier Reef, UNESCO World Heritage, Australia, Oceania

832-389411 - Underside with mouth of spiny cushion star (Culcita novaeguineae), Detail, Starfish, Pacific, Great Barrier Reef, Australia, Oceania

832-388002 - Blacktip shark (Carcharhinus limbatus), under the water surface, sunlight, Atlantic Ocean, Caribbean, Bahamas, Central America

832-386081 - View from below into the treetops, Redwood Forest, Sequoia sempervirens (Sequoia sempervirens), Whakarewarewa Forest, Rotorua, North Island, New Zealand, Oceania

832-386080 - View from below into the treetops, Redwood Forest, Sequoia sempervirens (Sequoia sempervirens), Whakarewarewa Forest, Rotorua, North Island, New Zealand, Oceania

832-384094 - Porcelain fungus (Oudemansiella mucida) with water droplets on the underside, Harz, Saxony-Anhalt, Germany, Europe

832-386905 - Poppy flowers (Papaver) with meadow plants from below in front of a bright sky, Germany, Europe

971-163 - Underside of a humpback whale (Megaptera novaeangliae) tail fluke, South Georgia, Polar Regions

1174-5516 - Naples Pier at Dawn, Naples, Florida, United States of America

832-383578 - Bridge over the Rhine-Herne Canal, Oberhausen, Ruhr district, North Rhine-Westphalia, Germany, Europe

832-382623 - Skyline and Brooklyn Bridge, Downtown, Manhattan, New York, United States, North America

832-382277 - Dugong (Dugong dugon) with Golden Trevally (Gnathanodon speciosus) under water surface, Red Sea, Hermes Bay, Marsa Alam, Egypt, Africa

832-380433 - Porcelain Fungus (Oudemansiella mucida), Emsland, Lower Saxony, Germany, Europe

832-379664 - Portico with original color painting, Karnak Temple, Karnak, Luxor, Egypt, Africa

1116-39840 - The Bentway Skate Trail, Toronto, Ontario, Canada

1116-39703 - Green sea turtle (Chelonia mydas), an endangered species, is resting under a fan of gorgonian coral along with two remora, Philippines

1116-39702 - Green sea turtle (Chelonia mydas), an endangered species, in an underwater crevice off West Maui, Maui, Hawaii, United States of America

1116-39841 - The Bentway Skate Trail, Toronto, Ontario, Canada

1174-4418 - The underside of an aeroplane in flight.

911-10811 - Humpback Whales (Megaptera novaeangliae) feeding on Krill in Wilhelmena Bay, Antarctic Peninsular. The whales migrate here in the summer to feed on the Krill. Krill numbers have declined by over 50%. They feed on algae that grows on the underside of sea ice, As the sea ice melts, both algae and krill decline.

911-10812 - Humpback Whales (Megaptera novaeangliae) feeding on Krill in Wilhelmena Bay, Antarctic Peninsular. With passengers from an expedition crusie in Zodiaks. The whales migrate here in the summer to feed on the Krill. Krill numbers have declined by over 50%. They feed on algae that grows on the underside of sea ice, As the sea ice melts, both algae and krill decline.

911-10810 - Humpback Whales (Megaptera novaeangliae) feeding on Krill in Wilhelmena Bay, Antarctic Peninsular. The whales migrate here in the summer to feed on the Krill. Krill numbers have declined by over 50%. They feed on algae that grows on the underside of sea ice, As the sea ice melts, both algae and krill decline. An expedition cruise ship in the background

1178-1664 - USA, Arizona, Lake Havasu, underneath of historic London Bridge, USA, Arizona, Lake Havasu

911-9958 - Humpback Whales (Megaptera novaeangliae) feeding on Krill in Wilhelmena Bay, Antarctic Peninsular and surfacing wth a metre of a zodiak. The whales migrate here in the summer to feed on the Krill. Krill numbers have declined by over 50%. They feed on algae that grows on the underside of sea ice, As the sea ice melts, both algae and krill decline. This shot has penguins resting on an iceberg in the background.

832-368480 - Young fly agraric (Amanita muscaria), Hoernle, Ammergau Alps, Upper Bavaria, Germany, Europe

832-372289 - Spotted eagle ray (Aetobatus narinari) swimming in blue water among a shoal of fish, Floreana Island, Enderby, Galápagos Islands, a World Heritage - natural site, Ecuador, South America, Pacific Ocean

1174-877 - A man lying on his back under a red car, inspecting the underside of the car, Gloucestershire, England

974-431 - Leopard torpedo ray (Electric ray) (Torpedo panthera), underside view, back-lit by the sun, Ras Mohammed National Park, Sharm El Sheikh, Red Sea, Egypt, North Africa, Africa

974-432 - Leopard torpedo ray (Electric ray) (Torpedo panthera), underside view, back-lit by the sun, Ras Mohammed National Park, Sharm El Sheikh, Red Sea, Egypt, North Africa, Africa

465-3143 - Mammatus or mammatocumulus clouds form on the underside of thunderstorms, Oklahoma, United States of America, North America

1161-5208 - Indian Black Kite raptor bird, Milvus Migrans, in the sky above Lake Pichola in first light of early morning, Udaipur, Rajasthan, India

1161-5210 - Indian Black Kite raptor bird, Milvus Migrans, in the sky above Lake Pichola in first light of early morning, Udaipur, Rajasthan, India

869-1459 - lemon shark shark swimming under water over sandy ground underside of head visible mouth open showing teeth horizontal format underwater shot lemon sharks Bahamas Central America America Atlantic Ocean Bahamas Central America America Atlantic Ocean

1116-38773 - Atlantic Spotted Dolphin (Stenella) three silhouetted sunburst, underside view C1993

1116-33281 - Hawaii, The pectoral fin of a humpback whale (Megaptera novaeangliae).

1116-30481 - Micronesia, Palau, Manta ray (manta birostris) near ocean surface.

1116-38624 - Alaska, Inside Passage, Humpback Whale (Megaptera novaeangliae) breaching B2006

1116-34342 - Alaska, Inside Passage, Tongass National Forest, humpback whale breaching.

1116-38758 - [DC] Alaska, Lynn Canal, Two Humpback Whales breaching, (Megaptera novaeangliae) C2039

1116-38323 - [DC] Australia, Great White Shark biting surface, view from beneath (Carcharodon carcharias)

1116-32023 - Midway Atoll, Laysan albatross (Diomedea immutabilis) in flight, blue sky, view from below.

1116-37518 - Fiji, Close-up headshot of gray Reef Shark (Carcharinus amblyrhynchos) .

1116-36734 - Hawaii, Oahu, Canyons Waikiki, Close-up of Green Sea Turtle (Chelonia mydas)

1116-31218 - Galapagos Islands, A hogfish cleaning a scalloped hammerhead shark (Sphyrna lewini).

1116-38385 - Hawaii, Day Octopus (Octopus cyanea) midwater with sunburst, underside B1935

1116-38998 - Hawaii, Underside Humpback Whale (Megaptera novaeangliae) breaching, clear blue sky background D1975

1116-32033 - Hawaii, Day Octopus (Octopus cyanea), View of curling legs from underside, clear blue ocean water.

1116-37866 - Hawaii, Big Island, Kona, green sea turtle free swimming, close-up of head sunburst A77F

1116-31988 - Micronesia, Yap, Manta Ray gliding through clear ocean water near surface, View from below.

1116-39013 - [DC] Alaska, Frederick Sound, humpback Whales double breach Inside Passage land background clouds Megaptera novaeangliae D1960

1116-37943 - Alaska, Chilkat River, Bald Eagle in flight (Haliaeetus leucocephalus) blue sky A51F

1116-31388 - Galapagos Islands, This is but a small portion of a huge school of cownose rays (Rhinoptera steindachneri) that circled this dive site several times.

1116-38386 - Hawaii, Day Octopus (Octopus cyanea) midwater with sunburst B1908

1116-39020 - Caribbean, Little Bahama Bank, 5 Atlantic Spotted Dolphins silhouette sunburst surface (Stenella) D1923

1116-38993 - Alaska, Humpback Whale (Megaptera novaeangliae) breaching Inside Passage with snowcapped mountains background distance D1970

1116-34627 - Hawaii, Day octopus (Octopus cyanea) the underside of an eight armed cephalopod.

1116-33949 - Hawaii, Diver photographing Green Sea Turtle (Chelonia mydas)

1116-38128 - Hawaii, Humpback Whales (Megaptera novaeangliae), double breach, both Whales out of the water A95E

1116-33948 - Hawaii, Diver photographing Green Sea Turtle (Chelonia mydas)

1116-34338 - Alaska, Inside Passage, Tongass National Forest, humpback whale breaching.

1116-31975 - Micronesia, Palau, Spotted eagle ray (Aetobatus narinari), view from below.

1116-38381 - [DC] Galapagos, Six Spotted eagle rays (Aetobatus narinari) view from below B1924

1116-38630 - Alaska, Inside Passage, Humpback Whale, breaching (Megaptera novaeangliae) B2003

1116-39006 - Hawaii, Underside breaching Humpback Whale (Megaptera novaeangliae) D1947

1116-31244 - Hawaii, Underside of Day octopus (Octopus cyanea) in ocean water (Black and white photograph).

1116-29264 - Micronesia, Yap, Manta ray (manta birostris) is entangled in a fishermans net.

1116-38995 - Hawaii, Close-up side view of Humpback Whale (Megaptera novaeangliae) breaching, Pacific Ocean D1951

1116-37799 - Hammerhead Shark with lots of fish in background, full length side angle A78H

1116-38325 - [DC] Australia, Sand tiger Shark (Eugomphodus taurus) close-up front view

1116-31015 - [DC], Male Narwhal (monodon monoceros) in clear blue ocean water near surface, View from below.

1116-31978 - Micronesia, Palau, Spotted eagle ray (Aetobatus narinari), view from below, light coming from behind.

1116-31974 - Micronesia, Palau, Spotted eagle ray (Aetobatus narinari), silhouette from below.

1116-37877 - Hawaii, Day octopus (Octopus cyanea) view of underside near surface, midwater

1116-38727 - Hawaii, Humpback Whale (Megaptera novaeangliae) rear underside view from behind, clear blue ocean C2009

1116-34339 - Alaska, Inside Passage, Tongass National Forest, humpback whale breaching.

1116-39012 - [DC] Alaska, Baranof Island Humpback Whale (Megaptera novaeangliae) breaching Inside Passage Chatham Strait D1939

1116-38997 - Hawaii, Side view Humpback Whale (Megaptera novaeangliae) breaching, Pacific Ocean D1962

1116-36483 - Indonesia, Komodo, Manta ray underwater near reef and fish