Why do so many sea creatures glow?
It’s wrong to say there’s no light in the depths of the ocean. There’s light, it just doesn’t come from the sun. Deep in the ocean (and also on the surface), divers find other-worldly displays of bioluminescence, sparkling like fireworks in the dark. Almost every deep-water creature lights up in some way.
You’re not viewing it at a distance. You’re in the centre of the display. In fact, you’re part of it because any movement you make triggers flashes all around you.
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