GULF SHORES, Alabama — Small jellyfish with purple polka dots have been washing ... At nighttime, as their Latin name suggests, the jellies glow brilliantly if bumped or otherwise disturbed.

Its quintessential bell-shaped caps are usually soft purple in color ... up in its signature eerie green only after dark. And no, the cap doesn't glow. The eternal light mushroom's distribution ...

But when we turned the lights on, they emitted a purple glow, not a beam of white ... The explanation for why scorpions glow in the dark when you shine a UV light on them is not completely understood.

and purple fluorescent proteins. Scienctists have continued this glow-in-the-dark trend with a variety of other living creatures, including cats, dogs, pigs, scorpions, worms, monkeys, mice ...