11 Extremely Unsettling Facts About Jellyfish That Just Might Mess You Up

Hello, good people of the internet. Do you know what the most terrifying sea creature is?

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"A shark*," you confidently answer with a light chuckle.

Great White Shark

*Despite their reputation, most sharks are actually not a danger to humans!

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WRONG. IT'S THIS GUY RIGHT HERE.

box jellyfish
Schatzif / Getty Images/ iStockphoto

"But...that's just a jellyfish," you whimper, confused.

Miles from "Degrassi" looking confused
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Yes, jellyfish are beautiful! But they're also SCARY AS HELL. Allow me to explain:

1.First of all, they literally do not have brains. They're just out here swimming around with ZERO brain cells.

jellyfish captioned "no thoughts head empty"
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2.They don't have hearts either.

jellyfish captioned: "just really not ready for anything serious right now sorry"
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3.They are literally just 95 fucking percent water!!!

"corporate needs you to find the differences, they're the same picture" meme from "The Office" using a picture of a jellyfish and a picture of a hydro flask with water
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4.They can still sting you even after they're DEAD.

scary looking bright jellyfish
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5.Some jellyfish have teeth!!!

comb jellyfish

6.One type of jellyfish can actually reverse age.

immortal jellyfish

7.Know what the most venomous marine animal is? Surprise — it's a type of JELLYFISH!

Australian box jellyfish swimming

8.In fact, box jellyfish have tentacles than reach up to 10 freakin' feet long. Scared yet?

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Yes, I know Squidward is an octopus. Hush.

9.But that's not the biggest jellyfish — that's actually the Lion’s Mane Jellyfish, which has been recorded to reach 120 feet long.

huge jellyfish

This is fine. I'm fine.

Stuart Westmorland / Getty Images

10.Still not freaked out? What if I told you that a group of jellyfish is powerful enough to take down an entire 10-ton fishing boat?

Disney

Yes, that really happened.

11.And finally, jellyfish sometimes just casually eat each other.

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They're heartless, remember?

Jellyfish, you absolute MONSTERS.

King Jellyfish from SpongeBob

That being said, they're still very important to our ecosystem! To learn more, click here.

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