Octopus are one of the most interesting marine creatures. You know, its name is derived from an octopus Greek and means eight feet. This is why it is called octopus. You will be surprised to know that there are more than 200 species of octopus on earth and live in oceans all over the world. They are without bones. Because of this, when extracted from the water, the octopus loses its size. Today we're going to give you some more interesting information about this. 1. Their color and size is determined by their environment Octopus living in cold water will be much larger than those octopus living in tropical (hot) water. 2. Octopus has 3 hearts. 3. A baby octopus is a flea-shaped when it is born. 4. The oldest octopus fossil is 296 million years old. 5. Octopus wrestling was a popular sport in the 1960s. A diver will fight an octopus in shallow water and pull it to the surface. 6. You will be surprised to know that live octopus is eaten in Korea. 7. In many countries, it is illegal to perform surgery on an octopus without anaesthesia 8. An octopus does not have 8 arms, but 6 hands and 2 legs. 9. Blue-ring octopus is one of the most toxic marine animals in the world: it can kill you with a one-time bite, with no antivenom. 10. If the octopus are really hungry, they eat their own arms. 11. Instead of sexual intercourse, female octopus sometimes choke men and eat. 12. There is relatively small life expectancy of octopus, as some species survive it up to six months. 13. Mimic octopus can impersonate 15 marine species, including marine snakes, stingray, lionfish and jellyfish. 14. Octopus go with simple elegance, but unlike most animals, they have no rhythm. 15. The largest octopus ever recorded in the document, had a mass of 71 kilograms (156.5 pounds). 17. In 2013, an American family found a six-armed octopus on holidays. It was recorded as the second event worldwide. Although they ate it . Also Read: Outfits of these colors will give you a stylish look in this monsoon! Try Sonakshi Sinha's new metallic look at the party, sizzling! The White Look of This Actress Is Extremely Brilliant, Yo Can also Follow This kind of dress will give you a trendy look in the monsoon