Why Do Scorpions Glow Under UV Light? The Reason Behind This Strange Phenomenon

October 10, 2022
Glow in The Dark

Scorpions are one of many animals that exhibit this strange phenomenon known as bioluminescence. Bioluminescence is the production and emission of light by an organism. This can be achieved through chemical reactions within the organism's body, and it is used for various purposes, such as communication, camouflage, and predator deterrence.

Why Do Scorpions Glow in the Dark?

The reason why scorpions glow under ultraviolet (UV) light is not fully understood. However, there are a few theories that offer a possible explanation. One theory suggests that scorpions use their entire bodies to detect light, picking up ultraviolet signals and then reflecting back a blue-green glow. This would help the creature camouflage itself better at night. By blocking off any part of the weak UV signal coming from the moon, the scorpion would be able to tell that an obstacle was in its way.

(Resource: Douglas Gaffin of the University of Oklahoma)

How Do Scorpions Glow Under UV Light?

The cuticle is a scorpion's exoskeleton's tough and somewhat flexible part. It covers the scorpion's body and provides some protection from predators and the environment. In addition, the cuticle contains specific molecules that can absorb ultraviolet light. These molecules then emit visible light at different wavelengths, which causes scorpions to glow blue-green in the dark.

Which other animals glow in the dark?

Scorpions are not the only animals that glow in the dark. Many other animals, including fireflies, jellyfish, and squid, also use bioluminescence. These animals use light for various purposes, such as communication, camouflage, and predator deterrence.

While the glowing cuticle of a scorpion may help it avoid becoming someone's dinner, it also makes them more visible to us. So the next time you're out at night, keep an eye out for these eerie creatures! You may just be able to see one yourself. Thanks for reading!

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