Flip Nicklin / By-the-wind Sailor (Velella velella) jellyfish, on water surface
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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.
Jean E. Roche / Mass of By-the-wind sailor (Velella velella) jellyfish washed up on beach, Camargue, France, May.
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Jean E. Roche / Mass of By-the-wind sailor (Velella velella) jellyfish washed up on beach, Camargue, France, May.
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Jean E. Roche / Mass of By-the-wind sailor (Velella velella) jellyfish washed up on beach, Camargue, France, May.
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Nick Upton / A dense flotilla of By the Wind Sailor jellyfish (Velella velella) of all sizes from a few mm to a few cms on Mediterranean sea surface near the coast of Corsica, France, May
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Nick Upton / A dense flotilla of By the Wind Sailor jellyfish (Velella velella) of all sizes from a few mm to a few cms on Mediterranean sea surface near the coast of Corsica, France, May
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Nick Upton / Close up view of By the Wind Sailor jellyfish (Velella velella) ranging in size from a few mm to a few cms on Mediterranean sea surface near the coast of Corsica, France, May
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Pete Oxford / By-the-wind Sailor (Velella velella) group and other animals washed up on beach, North Stradbroke Island, Australia
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Norbert Wu / By-the-wind Sailor (Velella velella) siphonophore allows the jellyfish to float and the sail catches the wind, California
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Richard Herrmann / Ocean Sunfish (Mola mola) predating By-the-wind Sailor (Velella velella), San Diego, California, sequence 4 of 4
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Richard Herrmann / Ocean Sunfish (Mola mola) predating By-the-wind Sailor (Velella velella), San Diego, California, sequence 3 of 4
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Richard Herrmann / Ocean Sunfish (Mola mola) predating By-the-wind Sailor (Velella velella), San Diego, California, sequence 2 of 4
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Richard Herrmann / Ocean Sunfish (Mola mola) predating By-the-wind Sailor (Velella velella), San Diego, California, sequence 1 of 4
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Luis Quinta / Blue button hydroid colony (Porpita porpita) portrait, Portugal, Atlantic Ocean.
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Luis Quinta / Blue button hydroid colony (Porpita porpita) portrait, Portugal, Atlantic Ocean.
Luis Quinta / Violet snail (Janthina janthina) feeding on By-the-wind sailor (Velella velella) colony, Portugal, Atlantic Ocean.
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Luis Quinta / Violet snail (Janthina janthina) feeding on By-the-wind sailor (Velella velella) colony, Portugal, Atlantic Ocean.
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Henley Spiers / Blue button (Porpita porpita) with a juvenile fish (most likely a species of jack) using it for shelter. Eastern Pacific, Costa Rica, February.
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Sergio Hanquet / Blue dragon seaslug (Glaucus atlanticus) feeding on blue button (Porpita porpita), Tenerife, Canary Islands.
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Sergio Hanquet / Blue dragon seaslug (Glaucus atlanticus) with Blue button hydroid colony (Porpita porpita) on which it feeds. Tenerife, Canary Islands. October
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Sergio Hanquet / Blue dragon seaslug (Glaucus atlanticus) with blue button hydroid colony (Porpita porpita) on which it feeds. Tenerife, Canary Islands. October
