NOVA

Why Fiddler Crabs Have Giant Claws

Clip: Season 44 Episode 19 | 3m 32s | Video has closed captioning.

Fiddler crabs' large claws look intimidating, but is deadly combat their main purpose?

Aired: 10/25/17

Rating: NR

Problems Playing Video? | Closed Captioning

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From the PBS science series NOVA, a biweekly podcast digging into the science behind the headlines. Alok Patel takes you behind the scenes with the people—scientists, engineers, technologists, mathematicians and more—working to understand our world.

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