Octopuses are not in complete control of their arms, but evolution has devised a clever and simple way to prevent them from getting tied in knots: Something in their skin prevents their own suckers from grabbing on.
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So Many Arms! How Octopuses Avoid Tying Themselves in Knots
Octopuses are not in complete control of their arms, but evolution has devised a clever and simple way to prevent them from getting tied in knots: Something in their skin prevents their own suckers from grabbing on.
. Octopuses Know Their Own Amputated Arms | Video
An octopus handling its own freshly amputated arm holds it gingerly and avoids grasping the skin, while an octopus handling another octopus' arm grasps the skin easily.
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Why Octopuses Don't Tie Themselves in Knots
Octopuses don't know where their six arms and two legs are in any given moment, but a new study shows why they never tie their limbs in a knot. Continue reading
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