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