
There are animals that can regrow lost limbs, such as the famous lizard’s tail. However, their old tail simply dies off and rots away. Not so the tiny feet and tentacles of the Scarlet sea cucumber (Psolus fabricii), a strange animal that lives on the rocks in the cold regions of the Atlantic and Arctic Oceans — not only can it regrow limbs lost to predators, but lost feet and tentacles are capable of surviving independently for more than three years, as recent research has shown.
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