ALEX MUSTARD / NATURE PICTURE LIBRARY / SCIENCE PHOTO LIBRARY ALEX MUSTARD / NATURE PICTURE LIBRARY / SCIENCE PHOTO LIBRARY
A blue light fluorescence photo of Jewel anemones (Corynactis viridis). The blue light source excites the fluorescent pigments in the anemones, which emit light of other colours. The muddy seabed and other marine life does not fluoresce, so is seen as black. Plymouth, Devon, England, Great Britain. Plymouth Sound, English Channel.
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