1. When an octopus gets hungry, it eats its own tentacles.
2. In many countries, it is illegal to perform surgery on octopuses without anesthesia because they are considered highly intelligent.
3. Dolphins beat and pound octopuses to soften them before eating them.
4. While all octopus species are venomous to humans, only one species is deadly.
5. In 2013, an American family on vacation discovered a six-legged octopus. It was the second such discovery in the world. Of course, they ate it.
6. The largest octopus ever recorded weighed 71 kg (156.5 pounds).
7. An octopus with 96 tentacles was captured in Japan in 2008.
8. The Mimic Octopus can impersonate up to 15 different marine creatures, including sea snakes, stingrays, lionfish, and jellyfish.
9. Octopuses don't actually have eight arms. They are actually composed of six arms and two legs.
10. Large octopuses are known to catch and kill sharks.