Nature Picture Library offers the best nature photographs and footage from the world's finest photographers, to license for commercial and creative use. More than 700,000 images and video clips online, from tigers to turtles and elephants to sharks.
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
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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.
