I wonder if this is something that only happens in captivity? It seems like changing colors in one's sleep would not be at all good for a creature that relies on camouflage. Or do they find enclosed places to sleep?
A marine biologist films this octopus changing colors while dreaming and it’s spectacularpic.twitter.com/hrHaYdVnsc
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Scuba diver here! Yes octopuses do try to hide in small spaces like caves to sleep and are usually rather grumpy we woke them up!
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The idea that it is dreamign at all is mind bending. There's just not enough of a brain there, that should be impossible... Makes you wonder how dreaming evolved, and whether it evolved more than once...
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errr, cephalopods have large and complex brains; they’re thought to be among the most intelligent animals on the planet, rating with elephants, cetaceans (dolphins and whales), crows, and primates.https://www.theatlantic.com/science/archive/2019/07/why-did-octopuses-become-smart/593155/ …
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I love that octopus SO MUCH. He dreams in mustard paisley.
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It would be really interesting to see if it's rerunning the camouflage it used the day before, or from earlier than that, or if it's unrelated. Did it ever go across some "mustard paisley" rocks? Or is it making that up while dreaming?
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Here’s a link to the clip on PBS with audio as the biologist speculates about what she’s dreaming about and talks a bit about camouflage behaviorhttps://www.pbs.org/video/octopus-dreaming-trept6/ …
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Do Octopi Dream of Underwater Sheep
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How do they know it was dreaming?
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It's flinching (like our dog does) as it's sleeping, and there is no environmental (back drop) reason for color change (camouflage), other than, logically, sensory input. I could only surmise that it dreams of everyday events, that is, unless it suffers from dyspepsia.
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Čini se da učitavanje traje već neko vrijeme.
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