Alex Mustard / 2020VISION / Group of Jewel anemones (Corynactis viridis) photographed under blue light to show their fluorescence, Plymouth Sound, Devon, UK, July

Florian Möllers / Light show in the city of Yangshu during preparations for a river theatre play around the tradition of Cormorant fishing along the Li River. Guangxi, China, November 2006.

Alex Mustard / 2020VISION / Three Jewel anemones (Corynactis viridis) photographed under blue light to show fluorescence, Plymouth Sound, Devon, UK, July. Note tiny amphipods living inside the central anemone.

Alex Mustard / 2020VISION / Mouth and tentacles of Jewel anemone (Corynactis viridis) photographed under blue light to show fluorescence, Plymouth Sound, Devon, UK, July, Note tiny amphipods living inside anemone. Did you know?...

Alex Mustard / 2020VISION / Mouth and tentacles of Jewel anemone (Corynactis viridis) photographed under blue light to show fluorescence, Plymouth Sound, Devon, UK, July

LYNN M. STONE / Head portrait of male Boxer, light brindle coloured with natural ears, standing in show stack posture, in Autumn, Illinois, USA

Warwick Sloss / Bearded fireworm {Hermodice carunculata} collected in shallow waters off the coast of Little San Salvador, Bahamas and photographed under captive conditions, photographed under blue light to show natu...

Norbert Wu / Mushroom Coral (Fungiidae) don't show flourescence as much when illuminated by the light of a camera flash, 40 feet deep, Komodo Island, Indonesia. Sequence 2 of 2

Jane Burton / Light Sussex Bantham Hen {Gallus gallus domesticus} pointing to show her week-old chicks food (chick crumbs)

Petra Wegner / Light sand Whippet standing in show stack / pose

Colin Seddon / Shetland pony pulling light trade cart. New Forest show Hampshire UK