In an interview at National Geographic, Sy Montgomery, author of the book The Soul of an Octopus: A Surprising Exploration into the Wonder of Consciousness, reflects on the uncanny intelligence, intuition, and surprising sex lives of octopuses.
The fact that three-fifths of an octopus’ neurons are not in their brain, but in their arms, suggests that each arm has a mind of its own. All of these things make it very hard to measure the intelligence because, we only have four lobes in our brains, while octopus have 50 to 75, depending on how you count them. It’s hard to take the measure of the mind of somebody like that.
I heard one story about an octopus in a home tank, who would get out, cruise around the house, take knick-knacks and drag them back to its tank. Like a dog! They’re so smart that there are octopus enrichment handbooks so you don’t bore your octopus. I’ve seen them play with Legos, Mr. Potato Head, you name it!
…the female whooshed into the male’s arms. They enveloped each other and turned colors with their emotions. There was a lot of wrapping around and afterward they turned white, which is the color of a relaxed octopus and they lay literally in each other’s arms, holding each other, for hours. It was lovely.
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