How Many Legs Does a Crab Have?


Quick Answer

All true crabs have 10 legs that are arranged in pairs. The front-most pair is modified into a pair of claws or pincers, and the other four pairs are used for locomotion. For some swimming crabs, the hindmost pair of legs is flattened to form paddles.

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How Many Legs Does a Crab Have?
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Full Answer

Crabs are crustaceans of the infraorder Brachyura, and they make up about half of all decapods, or 10-footed creatures. There are 6,793 species of crab. They are a diverse group, ranging in size from the tiny pea crab, which is less than 1 inch across, to the Japanese spider crab, which has a leg span of up to 13 feet.

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