Fish Glowing Red

The Scoop: Fish Turn on the Red Lights


I have to admit that a lot of my sea fish knowledge came from Finding Nemo. Like who knew that the ugly, glowing (and kinda scary) fish from the animation was real?! So when I read about other fish that glow down there in the deep, dark sea I was intrigued. And, come to find out, there are even some that glow in one of my favorite colors.

Although scientists thought that fish only saw short wave colors — like blue and green, which are pretty common glowing colors for fish — a new discovery finds that some fish want the spotlight all to themselves: they glow in shades of red! The finding shows that at least 32 species of reef fish communicate by glowing red instead of the typical blue and green to cut through all the other "communication" that's going on. Just like if you were in a library where everyone was whispering, these fish would be shouting! There's a bit of useless knowledge for you — pass it along.

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