On October 8th, World Octopus Day celebrates one of the earth’s oldest creatures. The animal is best known for its eight legs and ink-squirting abilities. However, there is so much more to know about this fantastic creature. Octopus fossils date back over 300 million years. This means that the octopus is older than the dinosaur! Here are some other cool facts about these cephalopods: *300 species of octopuses *500 million neurons in their brains and arms *Octopuses come in all colors, shapes, and sizes *A rare type of octopus has tentacles that glow in the dark *Some octopuses live in shallow waters while others live 2.6 miles below the surface of the ocean *The largest octopus on record weighed 156 pounds *Their mantle changes color so that it blends into its surroundings *An octopus can swim nearly 25 miles per hour for short distances *They mainly eat mollusks, crustaceans, and even smaller species of octopus *Some species of octopus lives in every ocean in the world and along every coast of the U.S. *The female octopus lays up to 400,000 eggs *Large octopus only live up to 5 years