1. The octopus will eat its own tentacles when hungry.

2. Performing surgery without anesthesia on an octopus is considered illegal in some countries. This is due to their intelligence.

3. Before eating the octopus, the dolphin will throw it many times until it is soft.

4. All types of octopus are poisonous, but only one is deadly.

5. The six-tentacled octopus was discovered by an American family on their vacation in 2013. This is the second time in history. Then they eat it.

6. The largest octopus ever immortalized weighs 71kg.

7. An octopus with 96 tentacles was caught in Japan in 2008.

8. Mimic Octopus can imitate more than 15 marine species, including sea snakes, rays, lionfish, and jellyfish.

9. Octopus does not have 8 arms, but 6 arms and 2 legs.

10. Several large octopuses are known to have caught and killed several species of sharks.