1. Octopuses have 3 hearts.
  2. Around 300 species of Octopuses are recognized.
  3. A baby octopus is about the size of a flea when it is born.
  4. The oldest
  5. octopus fossil
  6. is
  7. 296 million years old.
  8. Octopus wrestling was a popular sport in the 1960s. A diver would fight an octopus in shallow water and drag it to the surface.
  9. Octopuses are eaten alive in Korea.
  10. It's illegal in many countries to perform surgery on an octopus without anesthesia due to their intelligence.
  11. An Octopus
  12. doesn't have
  13. 8 arms
  14. but 6 arms and 2 legs.
  15. The Blue-ringed octopus is one of the world's most venomous marine animals: it can kill you in one bite, there is no antivenom.
  16. Despite their walnut-sized brain, octopuses are highly intelligent, possibly more so than any other order of invertebrates.
  17. If two octopuses approach each
    other and display dark colors
  18. the encounter is likely to escalate
    to physical confrontation.
  19. An octopus will eat its own arms if it gets really hungry.
  20. Instead of mating, female octopuses will sometimes strangle males and eat them.
  21. Octopuses have a relatively short life expectancy, with some species living for as little as six months.
  22. The Mimic Octopus can impersonate up to 15 marine species, including Sea Snakes, Stingrays, Lionfishes, and Jellyfishes.
  23. Octopuses move with a simple elegance, but they have no rhythm, unlike most animals.
  24. The largest Octopus ever documented
  25. had a mass of 71 kg (156.5 lb).
  26. Large octopuses have been known to catch and kill some species of sharks.
  27. Female blanket octopuses can be 40,000 times more massive than the male, it's the largest sex size discrepancy in the animal kingdom.
  28. Giant Pacific octopus moms have over 50,000 babies, of which, only a few survive, while moms die.
  29. The octopus' suction cups are equipped with chemoreceptors so it can taste what it is touching.
  30. A six-limbed octopus was found by an American family on vacation in 2013. It was only the second recorded worldwide. They ate it.
  31. The Hawaiian creation myth relates that the present cosmos is only the last of a series of failed universes. The octopus is the lone survivor of the previous alien universe.
  32. Octopus blood is blue.
  33. Octopus skin can change color 177 times an hour.
  34. An Octopus with 96 tentacles was caught in Japan in 2008.
  35. An octopus escaped from its tank at a New Zealand aquarium, crawled across the floor and into a pipe that took it to the ocean.
  36. Stealthy Seagoers Octopuses are masters at flying under the radar, changing their coloration and texture to match their surroundings in seconds.
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