A glowing Emperor Scorpion. Under UV light, scorpions would glow blue-green. This glow comes from a substance found in the hyaline layer, a thin but tough coating that is found in a part of the scorpion's exoskeleton called the cuticle.

Stock photo: A glowing Emperor Scorpion. Under UV light, scorpions would glow blue-green. This glow comes from a substance found in the hyaline layer, a thin but tough coating that is found in a part of the scorpion's exoskeleton called the cuticle. was taken by mirasha .