When exposed to ultraviolet light, scorpions glow a bright blue-green. Scientists have many theories for why this happens: some think that scorpions glow to attract prey, while others believe that it might make them more visible to one another. A leading hypothesis is that the glowing, when prompted by a full moon's UV rays, lets scorpions known when it's too bright out to hunt.
Scorpions Glow Under UV Light
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Key Facts In This Video
Scorpions glow under ultraviolet light. 00:18
Some scientists theorize that scorpions glow under ultraviolet light to attract prey. 00:29
Scorpions may glow under ultraviolet light as a mechanism for determining when it is too bright outside to hunt. 01:03