Lion's mane jellyfish (Cyanea capillata) with feeding tentacles spread swimming in the sun in shallow water. Gulen, Norway. North East Atlantic Ocean. - Alex Mustard
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Alex Mustard / Lion's mane jellyfish (Cyanea capillata) with feeding tentacles spread swimming in the sun in shallow water. Gulen, Norway. North East Atlantic Ocean.
Tiny thimble jellyfish (Linuche unguiculata) drift with the current in the calm turquiose waters of a lagoon in Ofu, American Samoa. The window of sky is called Snell's Window, caused by refraction of... - Floris van Breugel
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Floris van Breugel / Tiny thimble jellyfish (Linuche unguiculata) drift with the current in the calm turquiose waters of a lagoon in Ofu, American Samoa. The window of sky is called Snell's Window, caused by refraction of...
Aggregation of Golden jellyfish (Mastigias sp.) in a marine lake in Palau, the golden colour of this species comes from symbiotic algae in its tissues. Jellyfish Lake, Eil Malk island, Rock Islands, P... - Alex Mustard
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Alex Mustard / Aggregation of Golden jellyfish (Mastigias sp.) in a marine lake in Palau, the golden colour of this species comes from symbiotic algae in its tissues. Jellyfish Lake, Eil Malk island, Rock Islands, P...
Thimble jellyfish (Linuche unguiculata) aggregation, My Paradise Reef, Cabilao Island, Bohol, Central Visayas, Philippines, Pacific Ocean. - Franco  Banfi
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Franco Banfi / Thimble jellyfish (Linuche unguiculata) aggregation, My Paradise Reef, Cabilao Island, Bohol, Central Visayas, Philippines, Pacific Ocean.
Thimble jellyfish (Linuche unguiculata) aggregation, My Paradise Reef, Cabilao Island, Bohol, Central Visayas, Philippines, Pacific Ocean. - Franco  Banfi
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Franco Banfi / Thimble jellyfish (Linuche unguiculata) aggregation, My Paradise Reef, Cabilao Island, Bohol, Central Visayas, Philippines, Pacific Ocean.
Moon jellyfish (Aurelia aurita) near the surface, Santa Maria Island, Azores, September. - Luis  Quinta
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Luis Quinta / Moon jellyfish (Aurelia aurita) near the surface, Santa Maria Island, Azores, September.
Upside down jellyfish (Cassiopeia andromeda) Lembeh, Sulawesi, Indonesia. - Georgette Douwma
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Georgette Douwma / Upside down jellyfish (Cassiopeia andromeda) Lembeh, Sulawesi, Indonesia.
Northern sea nettle (Chrysaora Melanaster)  floating, with Mackerel fry ( Carangidae) Izu, Japan. January. - Aflo
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Aflo / Northern sea nettle (Chrysaora Melanaster) floating, with Mackerel fry ( Carangidae) Izu, Japan. January.
Upside down Jellyfish (Cassiopeia sp)  Jardines de la Reina National Park, Cuba, Caribbean - Pete Oxford
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Pete Oxford / Upside down Jellyfish (Cassiopeia sp) Jardines de la Reina National Park, Cuba, Caribbean
Aggregation / bloom / swarm of Moon Jellyfish (Aurelia aurita) in the clear waters of Loch Na Keal, off the Isle of Mull, north west Scotland, UK, June, Photographed through the surface. - Nick Garbutt
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Nick Garbutt / Aggregation / bloom / swarm of Moon Jellyfish (Aurelia aurita) in the clear waters of Loch Na Keal, off the Isle of Mull, north west Scotland, UK, June, Photographed through the surface.
Freshwater jellyfish (Craspedacusta sowerbii) Lake Lugano, Ticino, Switzerland. August. Invasive species. - Franco  Banfi
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Franco Banfi / Freshwater jellyfish (Craspedacusta sowerbii) Lake Lugano, Ticino, Switzerland. August. Invasive species.
Atolla jellyfish (Atolla wyvillei) with Gentoo penguin (Pygoscelis papua) in the background near the surface. Antarctic Peninsula. Finalist in the Underwater category of the Wildlife Photographer of t... - Jordi  Chias
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Jordi Chias / Atolla jellyfish (Atolla wyvillei) with Gentoo penguin (Pygoscelis papua) in the background near the surface. Antarctic Peninsula. Finalist in the Underwater category of the Wildlife Photographer of t...
Fried egg jelly fish (Cotylorhiza tuberculata) Mediterranean Sea. - Barry Bland
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Barry Bland / Fried egg jelly fish (Cotylorhiza tuberculata) Mediterranean Sea.
Multitudes of Moon jellyfish (Aurelia labiata), Alaska, USA, Gulf of Alaska. Pacific ocean. - Pascal Kobeh
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Pascal Kobeh / Multitudes of Moon jellyfish (Aurelia labiata), Alaska, USA, Gulf of Alaska. Pacific ocean.
Barrel jellyfish (Rhizostoma octopus) swimming past, Sark, British Channel Islands, UK, September. - Sue Daly
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Sue Daly / Barrel jellyfish (Rhizostoma octopus) swimming past, Sark, British Channel Islands, UK, September.
Deep-Sea Jellyfish (Crossota) - Visuals  Unlimited
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Visuals Unlimited / Deep-Sea Jellyfish (Crossota)
Compass Jellyfish, in murky water, Abersoch, Cardigan Bay, Wales, July - Graham Eaton
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Graham Eaton / Compass Jellyfish, in murky water, Abersoch, Cardigan Bay, Wales, July
Portuquese man o' war (Physalia physalis) colonial siphophore, Tobago, Caribbean. - Michael Pitts,Michael Pitts
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Michael Pitts,Michael Pitts / Portuquese man o' war (Physalia physalis) colonial siphophore, Tobago, Caribbean.
Jellyfish, Inanuran Island, Danajon Bank, Central Visayas, Philippines, April - Claudio Contreras,Claudio  Contreras
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Claudio Contreras,Claudio Contreras / Jellyfish, Inanuran Island, Danajon Bank, Central Visayas, Philippines, April
Flower Hat Jelly / Jellyfish (Olindias formosa), a rare hydromedusa with fluorescent tentacle tips. Endemic to Brazil, Argentina, and southern Japan. - Doug Perrine
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Doug Perrine / Flower Hat Jelly / Jellyfish (Olindias formosa), a rare hydromedusa with fluorescent tentacle tips. Endemic to Brazil, Argentina, and southern Japan.
Swarm / aggregation of venomous Moon jellyfish (Aurelia aurita) Port Fidalgo, Prince William Sound, USA, July - Doug Perrine
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Doug Perrine / Swarm / aggregation of venomous Moon jellyfish (Aurelia aurita) Port Fidalgo, Prince William Sound, USA, July
Sea Nettle (Chrysaora quinquecirrha / achlyos) Monterey Bay Aquarium, California, USA, Captive - Suzi Eszterhas
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Suzi Eszterhas / Sea Nettle (Chrysaora quinquecirrha / achlyos) Monterey Bay Aquarium, California, USA, Captive
Swarm of Common / Moon Jellyfish (Aurelia aurita)in sea loch, Isle of Mull, Scotland. June. - Alex Hyde
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Alex Hyde / Swarm of Common / Moon Jellyfish (Aurelia aurita)in sea loch, Isle of Mull, Scotland. June.
Mastigias jellyfish (Mastigias sp) with mass of jellyfish in background, Jellyfish lake, Palau, Western Pacific Islands, Micronesia - Ingo Arndt
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Ingo Arndt / Mastigias jellyfish (Mastigias sp) with mass of jellyfish in background, Jellyfish lake, Palau, Western Pacific Islands, Micronesia
Box jellyfish {Chironex sp.} in mangroves, split level, Australia - Jurgen Freund
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Jurgen Freund / Box jellyfish {Chironex sp.} in mangroves, split level, Australia
Neustonic  jellyfish (Porpita pacifica) at the surface, viewed from above. Anilao, Batangas, Luzon, Philippines. Verde Island Passages, Tropical West Pacific Ocean. - Alex Mustard
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Alex Mustard / Neustonic jellyfish (Porpita pacifica) at the surface, viewed from above. Anilao, Batangas, Luzon, Philippines. Verde Island Passages, Tropical West Pacific Ocean.
Pacific Sea nettle jellyfish (Chrysaora fuscescens), captive, Vancouver, Canada. - Adrian Davies
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Adrian Davies / Pacific Sea nettle jellyfish (Chrysaora fuscescens), captive, Vancouver, Canada.
Lion's mane jellyfish (Cyanea capillata) swept in current over a bed of eel grass, along the Eastern shore of Nova Scotia, Canada, July. - Nick Hawkins
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Nick Hawkins / Lion's mane jellyfish (Cyanea capillata) swept in current over a bed of eel grass, along the Eastern shore of Nova Scotia, Canada, July.
Split level of Purple crown jellyfish (Netrostoma setouchina) in shallow waters, Nukubati Island Resort, Macuata Province, Fiji, South Pacific - Jurgen Freund
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Jurgen Freund / Split level of Purple crown jellyfish (Netrostoma setouchina) in shallow waters, Nukubati Island Resort, Macuata Province, Fiji, South Pacific
Sunburst against a large Purple crown jellyfish (Netrostoma setouchina) in the shallow waters, Nukubati Island Resort, Macuata Province, Fiji, South Pacific - Jurgen Freund
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Jurgen Freund / Sunburst against a large Purple crown jellyfish (Netrostoma setouchina) in the shallow waters, Nukubati Island Resort, Macuata Province, Fiji, South Pacific
Golden jellyfish (Mastigias sp.) in a marine lake, Jellyfish Lake, Eil Malk island, Rock Islands, Palau. Tropical north Pacific Ocean. - Alex Mustard
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Alex Mustard / Golden jellyfish (Mastigias sp.) in a marine lake, Jellyfish Lake, Eil Malk island, Rock Islands, Palau. Tropical north Pacific Ocean.
Aggregation of Golden jellyfish (Mastigias sp.) in a marine lake in Palau, Jellyfish Lake, Eil Malk island, Rock Islands, Palau. Tropical north Pacific Ocean. - Alex Mustard
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Alex Mustard / Aggregation of Golden jellyfish (Mastigias sp.) in a marine lake in Palau, Jellyfish Lake, Eil Malk island, Rock Islands, Palau. Tropical north Pacific Ocean.
Deep sea jellyfish (Periphylla periphylla), Trondheimsfjord, Norway, July. - Sue Daly
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Sue Daly / Deep sea jellyfish (Periphylla periphylla), Trondheimsfjord, Norway, July.
Lion's mane jellyfish (Cyanea capillata) Svalbard, Norway, September. - Olga Kamenskaya
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Olga Kamenskaya / Lion's mane jellyfish (Cyanea capillata) Svalbard, Norway, September.
Lion's mane jellyfish (Cyanea capillata) Isle of Man, July. - Sue Daly
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Sue Daly / Lion's mane jellyfish (Cyanea capillata) Isle of Man, July.
Japanese Sea nettle or North Pacific Sea Nettle (Chrysaora melanaster), Monterey aquarium, USA - Sylvain Cordier
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Sylvain Cordier / Japanese Sea nettle or North Pacific Sea Nettle (Chrysaora melanaster), Monterey aquarium, USA
Japanese Sea nettle or North Pacific Sea Nettle jellyfish (Chrysaora melanaster)  Monterey Aquarium, USA - Sylvain Cordier
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Sylvain Cordier / Japanese Sea nettle or North Pacific Sea Nettle jellyfish (Chrysaora melanaster) Monterey Aquarium, USA
Golden jellyfish (Mastigias sp) huge aggregation in a marine lake in Palau, the golden colour of this species comes from symbiotic algae in its tissues. Jellyfish Lake, Eil Malk island, Rock Islands,... - Alex Mustard
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Alex Mustard / Golden jellyfish (Mastigias sp) huge aggregation in a marine lake in Palau, the golden colour of this species comes from symbiotic algae in its tissues. Jellyfish Lake, Eil Malk island, Rock Islands,...
Mauve stinger (Pelagia noctiluca) at the entrance of a cave, Sula Sgeir, Outer Hebrides / Western Isles, Scotland, July. - SCOTLAND: The Big Picture
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SCOTLAND: The Big Picture / Mauve stinger (Pelagia noctiluca) at the entrance of a cave, Sula Sgeir, Outer Hebrides / Western Isles, Scotland, July.
Aggregation of Golden jellyfish (Mastigias sp.) in a marine lake in Palau, the golden colour of this species comes from symbiotic algae in its tissues. Jellyfish Lake, Eil Malk island, Rock Islands, P... - Alex Mustard
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Alex Mustard / Aggregation of Golden jellyfish (Mastigias sp.) in a marine lake in Palau, the golden colour of this species comes from symbiotic algae in its tissues. Jellyfish Lake, Eil Malk island, Rock Islands, P...
Black sea nettle (Chrysaora achlyos) captive in Monterey Bay Aquarium, California, USA, October. - Suzi Eszterhas
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Suzi Eszterhas / Black sea nettle (Chrysaora achlyos) captive in Monterey Bay Aquarium, California, USA, October.
Freshwater jellyfish (Craspedacusta sowerbyi), Europe, August.  Controlled conditions. - Jan  Hamrsky
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Jan Hamrsky / Freshwater jellyfish (Craspedacusta sowerbyi), Europe, August. Controlled conditions.
Barrel jellyfish (Rhizostoma sp), Maldives, Indian Ocean. - Pascal Kobeh
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Pascal Kobeh / Barrel jellyfish (Rhizostoma sp), Maldives, Indian Ocean.
Pellagic purple jellyfish (Thysanostoma loriferum) near surface, Maldives, Indian Ocean. - Pascal Kobeh
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Pascal Kobeh / Pellagic purple jellyfish (Thysanostoma loriferum) near surface, Maldives, Indian Ocean.
Northern sea nettle (Chrysaora melanaster) with extremely long tentacles, Izu, Japan. - Aflo
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Aflo / Northern sea nettle (Chrysaora melanaster) with extremely long tentacles, Izu, Japan.
Jellyfish (Pelagia) swimming, Mid-Atlantic Ridge. Deep sea species. - David  Shale
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David Shale / Jellyfish (Pelagia) swimming, Mid-Atlantic Ridge. Deep sea species.
Lion's Mane Jellyfish (Cyanea capillata) against a black background, taken in mobie field studio, Isle of Mull, Scotland. June. - Alex  Hyde
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Alex Hyde / Lion's Mane Jellyfish (Cyanea capillata) against a black background, taken in mobie field studio, Isle of Mull, Scotland. June.
Moon jellyfish (Aurelia labiata) close to the surface and under the sun rays, Alaska, USA, Gulf of Alaska. Pacific ocean. - Pascal Kobeh
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Pascal Kobeh / Moon jellyfish (Aurelia labiata) close to the surface and under the sun rays, Alaska, USA, Gulf of Alaska. Pacific ocean.
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