Trivia: How Many Hearts Does an Octopus Have?

Posted by Alex in Animal, Daily Trivia on October 8, 2007 at 5:59 pm


In honor of today’s International Cephalopod Awareness Day, here’s today’s octopus trivia:

An octopus has three hearts. Two hearts to pump blood through each of its two gills, and a third one to pump blood through its body.


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5 comments to "Trivia: How Many Hearts Does an Octopus Have?"

  1. Jason
    October 8th, 2007 at 7:42 pm

    It might also interest your readers to know that the esophagus of a cephalopod passes through the center of the animal's brain on its way to the gut. Good thing they have those beaks to take small, bite-sized chunks out of their meals!

  2. Marc L
    October 8th, 2007 at 8:45 pm

    I've just finished reading the book, "The Zen of Fish" and learned that the octopus also has a separate brain in each tentacle coordinated by one centralized brain in his head.

  3. Alex
    October 9th, 2007 at 2:58 am

    Neat trivia! Thanks Jason and Marc L!

  4. aware
    October 9th, 2007 at 8:30 pm

    did u get that octopus graphic from the church of the flying spaghetti monster?

  5. azurada
    October 26th, 2009 at 6:12 am

    i watched about it awhile ago..Octopus has 3 hearts..but i have question,where those hearts located?


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