5014 pictures found
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Red-throated Loon (Gavia stellata), sideview of an adult in breeding plumage, Western Region, Iceland
© Saverio Gatto / Biosphoto
© Saverio Gatto / Biosphoto
Red-throated Loon (Gavia stellata), sideview of an adult in breeding plumage, Western Region, Iceland
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A free diver exercises dynamic apnoea below an iced platform, in the chilly salt water of the White Sea, at minus 2 degrees Celsius. Must be
© Franco Banfi / Biosphoto
© Franco Banfi / Biosphoto
A free diver exercises dynamic apnoea below an iced platform, in the chilly salt water of the White Sea, at minus 2 degrees Celsius. Must be extremely prepared, brave and self-controlled to free-dive, holding the breath, in ambient without a fast and clear access to the surface. Reaching the underwater world, is an adventure itself since a thick layer of ice bars the passages every night, due to very low temperatures, and every day one must cut ice holes (called mainas by locals) into the ice platform. Salted water needs very low temperature to freeze. Below the ice platform, the upper layer is a melt of fresh and salt water, allowing a surprising amount of life to thrive. Location: White Sea, northern Russia.
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Blacktip Shark, Carcharhinus limbatus, Aliwal Shoal, Umkomaas, South Africa, Indian Ocean.
© Andy Murch / Biosphoto
© Andy Murch / Biosphoto
Blacktip Shark, Carcharhinus limbatus, Aliwal Shoal, Umkomaas, South Africa, Indian Ocean.
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Only in springtime, when the hard winter slowly subsides, are the ice-cold waters suitable for divers who can dive around a iceberg that floats in
© Franco Banfi / Biosphoto
© Franco Banfi / Biosphoto
Only in springtime, when the hard winter slowly subsides, are the ice-cold waters suitable for divers who can dive around a iceberg that floats in crystal-clear water, Tasiilaq, East Greenland
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Free diver is swimming over a pod of Sleeping sperm whale (Physeter macrocephalus) Researchers first saw this unusual sleep behavior in sperm whales
© Franco Banfi / Biosphoto
© Franco Banfi / Biosphoto
Free diver is swimming over a pod of Sleeping sperm whale (Physeter macrocephalus) Researchers first saw this unusual sleep behavior in sperm whales in 2008. The scientists in that study found that sperm whales dozed in this upright drifting posture for about 10 to 15 minutes at a time, Vulnerable (IUCN). The sperm whale is the largest of the toothed whales. Sperm whales are known to dive as deep as 1,000 meters in search of squid to eat. Dominica, Caribbean Sea, Atlantic Ocean. Photo taken under permit n°RP 16-02/32 FIS-5.
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Pod of sperm whale, (Physeter macrocephalus), Vulnerable (IUCN),
© Franco Banfi / Biosphoto
© Franco Banfi / Biosphoto
Pod of sperm whale, (Physeter macrocephalus), Vulnerable (IUCN), The sperm whale is the largest of the toothed whales. Sperm whales are known to dive as deep as 1,000 meters in search of squid to eat. Image has been shot in Dominica, Caribbean Sea, Atlantic Ocean. Photo taken under permit n°RP 16-02/32 FIS-5.
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Scuba diver in cenote above a sulfur cloud -Yucatan Peninsula;
© Fabrice Guérin / Biosphoto
© Fabrice Guérin / Biosphoto
Scuba diver in cenote above a sulfur cloud -Yucatan Peninsula; Mexico; 1st place UPY 2015
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Free diver swimming with sperm whale, (Physeter macrocephalus). Vulnerable (IUCN). The sperm whale is the largest of the toothed whales. Sperm whales
© Franco Banfi / Biosphoto
© Franco Banfi / Biosphoto
Free diver swimming with sperm whale, (Physeter macrocephalus). Vulnerable (IUCN). The sperm whale is the largest of the toothed whales. Sperm whales are known to dive as deep as 1,000 meters in search of squid to eat. Image has been shot in Dominica, Caribbean Sea, Atlantic Ocean. Photo taken under permit n° 351/12 W-2.
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Diver and the wreck of Hai Siang sliding by 55 m deep, Indian Ocean, Reunion
© Gabriel Barathieu / Biosphoto
© Gabriel Barathieu / Biosphoto
Diver and the wreck of Hai Siang sliding by 55 m deep, Indian Ocean, Reunion
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King of herrings, Regalecus glesne. Composite image. Portugal. Composite image
© Paulo de Oliveira / Biosphoto
© Paulo de Oliveira / Biosphoto
King of herrings, Regalecus glesne. Composite image. Portugal. Composite image
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Diver and Blacktip sharks (Carcharhinus limbatus) during a session baiting with chunks of Sardines - Site of Protea Banks, off the town of
© Bruno Guénard / Biosphoto
© Bruno Guénard / Biosphoto
Diver and Blacktip sharks (Carcharhinus limbatus) during a session baiting with chunks of Sardines - Site of Protea Banks, off the town of Umkomaas, South Africa
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Diver and Blacktip sharks (Carcharhinus limbatus) during a session baiting with chunks of Sardines - Site of Protea Banks, off the town of Umkomaas,
© Bruno Guénard / Biosphoto
© Bruno Guénard / Biosphoto
Diver and Blacktip sharks (Carcharhinus limbatus) during a session baiting with chunks of Sardines - Site of Protea Banks, off the town of Umkomaas, South Africa
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Diver and Blacktip sharks (Carcharhinus limbatus) during a session baiting with chunks of Sardines - Site of Protea Banks, off the
© Bruno Guénard / Biosphoto
© Bruno Guénard / Biosphoto
Diver and Blacktip sharks (Carcharhinus limbatus) during a session baiting with chunks of Sardines - Site of Protea Banks, off the town of Umkomaas, South Africa
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Diver exit the cathedral at Silfra fissure, deep fault filled with fresh water in the rift valley between the Eurasian and American tectonic plates.
© Franco Banfi / Biosphoto
© Franco Banfi / Biosphoto
Diver exit the cathedral at Silfra fissure, deep fault filled with fresh water in the rift valley between the Eurasian and American tectonic plates. Silfra fissure is actually a crack between the North American and Eurasian continents that drift apart about 2cm per year. Thingvellir National Park, Iceland.
© Mike Korostelev / Biosphoto
Asian Elephant and diver swimming - Andaman Islands India
© Gérard Soury / Biosphoto
Schoal of Sardinellas and diver - Cebu Philippines
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Diver and Blue Shark - South Africa ; Diver stroking Lorenzini bulbs on the muzzle of a blue shark
© Bruno Guénard / Biosphoto
© Bruno Guénard / Biosphoto
Diver and Blue Shark - South Africa ; Diver stroking Lorenzini bulbs on the muzzle of a blue shark
© Brandon Cole / Biosphoto
Diver into the light shining down through a cenote opening
© Brandon Cole / Biosphoto
Whale Shark and diver under the surface - Mexico
© Markus Varesvuo / Biosphoto
Black-throated Diver on water - Rokua Finland
© Frédéric Desmette / Biosphoto
Black-throated Diver flapping wings in summer - Finland
© Christopher Swann / Biosphoto
Snorkeler and California Sea lions - Gulf of California
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Great White Shark and divers - Guadalupe Island Mexico ; Cage diving
© Reinhard Dirscherl / Biosphoto
© Reinhard Dirscherl / Biosphoto
Great White Shark and divers - Guadalupe Island Mexico ; Cage diving
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Visualization flow of water in a sponge - Aquarius Reef Base ; Fluorescein dye is used to visualize how water is absorbed at the outside and then
© Christoph Gerigk / Biosphoto
© Christoph Gerigk / Biosphoto
Visualization flow of water in a sponge - Aquarius Reef Base ; Fluorescein dye is used to visualize how water is absorbed at the outside and then exhausted by a sponge.The Caribbean barrel sponge, Xestospongia muta, is a large and common member of the coral reef communities at depths greater than 10 m, and has been called the “redwood of the deep”, due to its up to 2000 year lifespan as well as its size and color. Despite its prominence, high biomass and importance to habitat complexity and reef health, very little is know about the basic biology of this massive sponge, including rates of mortality and recruitment, reproduction, growth and age. Like reef corals, this sponge is subject to bleaching and subsequent mortality.
With support from NOAA's Aquarius Reef Base at UNCW, NOAA's Coral Reef Conservation Program, and the Florida Keys National Marine Sanctuary, a research group has been monitoring populations of X. muta in the Florida Keys since 1997.
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Scientists in laboratory - Aquarius Reef Base Florida ; Dr. Chris Martens (front left), Dr.Niels Lindquist (left), UNC Chapel Hill and other members
© Christoph Gerigk / Biosphoto
© Christoph Gerigk / Biosphoto
Scientists in laboratory - Aquarius Reef Base Florida ; Dr. Chris Martens (front left), Dr.Niels Lindquist (left), UNC Chapel Hill and other members of the saturation diver team /2011 Ocean Acidification Mission
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Scuba Diver and Spiral Wire Coral Cenderawasih Bay Indonesia
© Reinhard Dirscherl / Biosphoto
© Reinhard Dirscherl / Biosphoto
Scuba Diver and Spiral Wire Coral Cenderawasih Bay Indonesia
© Franco Banfi / Biosphoto
Beluga and diver under the ice White Sea Karelia Russia
© Reinhard Dirscherl / Biosphoto
Spiral wire coral and scuba diver Maldives Indian Ocean
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Diver above a humpback whale off the coast of Rurutu ; We had been diving for more than two hours with this whale which had only one idea, playing with
© Yves Lefèvre / Biosphoto
© Yves Lefèvre / Biosphoto
Diver above a humpback whale off the coast of Rurutu ; We had been diving for more than two hours with this whale which had only one idea, playing with us. Eric Leborgne went above her, offered, and I took this picture. Yves Lefèvre [AT]
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Great Northern Loon (Gavia immer) pair with chick, British Columbia, Canada
© Alan Murphy / BIA / Biosphoto
© Alan Murphy / BIA / Biosphoto
Great Northern Loon (Gavia immer) pair with chick, British Columbia, Canada
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Horned Grebe (Podiceps auritus), animal portrait, direct view, Västergotland,
© Alfred & Annaliese Trunk / imageBROKER / Biosphoto
© Alfred & Annaliese Trunk / imageBROKER / Biosphoto
Horned Grebe (Podiceps auritus), animal portrait, direct view, Västergotland, Sweden
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Tourists watching Galapagos Shark, Carcharhinus galapagensis, Oahu, Hawaii, USA
© Masa Ushioda / WaterFrame - Agence / Biosphoto
© Masa Ushioda / WaterFrame - Agence / Biosphoto
Tourists watching Galapagos Shark, Carcharhinus galapagensis, Oahu, Hawaii, USA
© Bruno Guénard / Biosphoto
Diver photographer and coral diver, Raja-Ampat, Indonesia
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Diver photographer and green turtle (Chelonia mydas) at rest, Raja-Ampat, Indonesia
© Bruno Guénard / Biosphoto
© Bruno Guénard / Biosphoto
Diver photographer and green turtle (Chelonia mydas) at rest, Raja-Ampat, Indonesia
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Diver photographer and Giant manta (Manta birostris), Manta ray on a cleaning and deworming area, Raja-Ampat, Indonesia
© Bruno Guénard / Biosphoto
© Bruno Guénard / Biosphoto
Diver photographer and Giant manta (Manta birostris), Manta ray on a cleaning and deworming area, Raja-Ampat, Indonesia
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Diver photographer and Giant manta (Manta birostris), Manta ray on a cleaning and deworming area, Raja-Ampat, Indonesia
© Bruno Guénard / Biosphoto
© Bruno Guénard / Biosphoto
Diver photographer and Giant manta (Manta birostris), Manta ray on a cleaning and deworming area, Raja-Ampat, Indonesia
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Red-throated Loon (Gavia stellata), close-up of an adult in breeding plumage, Western Region, Iceland
© Saverio Gatto / Biosphoto
© Saverio Gatto / Biosphoto
Red-throated Loon (Gavia stellata), close-up of an adult in breeding plumage, Western Region, Iceland
© Saverio Gatto / Biosphoto
Red-throated Loon (Gavia stellata), close-up of an adult in breeding plumage, Western Region, Iceland
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Common octopus (Octopus vulgaris), in the Calanques National Park, Bouches-du-Rhône, Provence-Alpes-Côte d'Azur, France
© Mathieu Foulquié / Biosphoto
© Mathieu Foulquié / Biosphoto
Common octopus (Octopus vulgaris), in the Calanques National Park, Bouches-du-Rhône, Provence-Alpes-Côte d'Azur, France
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Common octopus (Octopus vulgaris), in the Calanques National Park, Bouches-du-Rhône, Provence-Alpes-Côte d'Azur, France
© Mathieu Foulquié / Biosphoto
© Mathieu Foulquié / Biosphoto
Common octopus (Octopus vulgaris), in the Calanques National Park, Bouches-du-Rhône, Provence-Alpes-Côte d'Azur, France
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Great Northern Loon (Gavia immer), side view of an adult in the water, Northeastern Region, Iceland
© Saverio Gatto / Biosphoto
© Saverio Gatto / Biosphoto
Great Northern Loon (Gavia immer), side view of an adult in the water, Northeastern Region, Iceland
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Great Northern Loon (Gavia immer), side view of an adult in the water, Northeastern Region, Iceland
© Saverio Gatto / Biosphoto
© Saverio Gatto / Biosphoto
Great Northern Loon (Gavia immer), side view of an adult in the water, Northeastern Region, Iceland
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Great Northern Loon (Gavia immer), side view of an adult in the water, Northeastern Region, Iceland
© Saverio Gatto / Biosphoto
© Saverio Gatto / Biosphoto
Great Northern Loon (Gavia immer), side view of an adult in the water, Northeastern Region, Iceland
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Great northern diver (Gavia immer) stretching out on a lake, Iceland
© Olivier Gutfreund / Biosphoto
© Olivier Gutfreund / Biosphoto
Great northern diver (Gavia immer) stretching out on a lake, Iceland
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Shark handler holding Silky shark (Carcharhinus falciformis), female with many scratches and bite marks- wounds from recently mating. During
© Franco Banfi / Biosphoto
© Franco Banfi / Biosphoto
Shark handler holding Silky shark (Carcharhinus falciformis), female with many scratches and bite marks- wounds from recently mating. During copulation the male bites the female often on the pectoral fin. Baja California, Mexico, Pacific Ocean.
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Shark handler holding Silky shark (Carcharhinus falciformis), female with many scratches and bite marks- wounds from recently mating. During
© Franco Banfi / Biosphoto
© Franco Banfi / Biosphoto
Shark handler holding Silky shark (Carcharhinus falciformis), female with many scratches and bite marks- wounds from recently mating. During copulation the male bites the female often on the pectoral fin. Baja California, Mexico, Pacific Ocean.
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Shark handler attracts Silky shark (Carcharhinus falciformis), female with many scratches and bite marks- wounds from recently mating. During
© Franco Banfi / Biosphoto
© Franco Banfi / Biosphoto
Shark handler attracts Silky shark (Carcharhinus falciformis), female with many scratches and bite marks- wounds from recently mating. During copulation the male bites the female often on the pectoral fin. Baja California, Mexico, Pacific Ocean.