All scorpions fluoresce under ultraviolet light, such as an electric black light or natural moonlight.
The blue-green glow comes from a substance found in the hyaline layer, a very thin but super tough coating in a part of the scorpion's exoskeleton called the cuticle
Canon EOS 7D , Canon 100mm f/2.8 L USM , 1/1000 , 1/250 , no flash only UV-light used , Handheld.
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