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Radio 4,04 Oct 2025,28 mins

Series Series 24

To Crab, or Not to Crab?

Curious Cases

Available for over a year

We can all picture a crab, but did you know that nature has reinvented those claw clicking, sideways scuttling crustaceans at least five separate times? In recent years the internet has run wild with the idea that crabs are the ultimate life-form, and that even humans might one day end up with pincers too. But is there any truth behind the memes? Hannah and Dara scale the tangled tree of life and tackle taxonomy to figure out if ‘crab’ really is evolution’s favourite shape. Exploring coconut to spanner, ghost to hermit, soldier to spider they learn how to tell the ‘true’ crabs from the impostors. You can send your everyday mysteries for the team to investigate to: curiouscases@bbc.co.uk Contributors Dr Joanna Wolfe – Evolutionary Biologist, Harvard University and UC Santa Barbara Professor Matthew Wills - Professor of Evolutionary Paleobiology, University of Bath Ned Suesat-Williams – Director of the Crab Museum, Margate Producer: Emily Bird Executive Producer: Sasha Feachem A ³ÉÈË¿ìÊÖ Studios Production

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