A close-up of a yellow sea spider underwater

Spider crabs can regrow their anuses, scientists find

In experiments, some juvenile spider crabs have been able to regrow amputated body parts. (Image credit: Shutterstock) (opens in a new tab) Spider crabs possess a remarkable, previously unknown ability: they can regrow their rear ends. In a series of experiments, scientists found that juveniles of the spider crab species Litoral pycnogone were able to …

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