Photo by: Getty Images

Getty Images

Octopuses Don't Have Tentacles!

What exactly do these cephalopods have then?

August 01, 2019

Many people refer to octopus limbs as tentacles, but technically, octopuses don't have any tentacles at all! Instead, they have arms. When you're talking about cephalopods, tentacles tend to be much longer than arms and only have suckers at their "clubbed" ends, whereas arms are shorter, stronger, and suckered all the way down. Tentacles also typically come in pairs. Squid and cuttlefish have eight arms plus a pair of feeding tentacles.

This article first appeared on Curiosity.com.

Next Up

Earthworms Aren't as Good for the Soil as You Think

Are worms really an invasive pest outside of the garden?

Sperm Whales Are Loud Enough to Burst Your Eardrums

The world's loudest animal happens to live in the ocean.

Rare Blue Ghost Fireflies Only Glow in One Part of North America

These insects emit a glow a yellow-green hue.

This Giant Mushroom Is the Largest Organism Ever

These fungi are larger than blue whales and dinosaurs!

This Giant Ichthyosaur Might Have Been Bigger Than a Blue Whale

This normal-looking reptile may be the largest animal that ever existed.

3 Animals That Mourn Their Dead

Grieving customs aren't just limited to humans.

Cows Kill More People Than Sharks

Sharks are the least of your problems according to these statistics.

These 5 Mythical Animals Turned Out to Be Real

Many animals people once believed these animals were imaginary.

Most of What You Know About Daddy Longlegs Is Wrong

Daddy longlegs are one of the most venomous critters out there.

70% Of Earth's Fresh Water Is Frozen

Our freshwater is locked up in the Antarctic Ice Sheet.