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Hermit crabs gang up to evict their neighbors


Most social animals get together for protection or to mate or hunt, but terrestrial hermit crabs socialize to steal each other’s houses.

“The one that gets yanked out of its shell is often left with the smallest shell, which it can’t really protect itself with,” says UC Berkeley’s Mark Laidre, who is in the department of integrative biology.

“Then it’s liable to be eaten by anything. For hermit crabs, it’s really their sociality that drives predation.”

Full story at Futurity.

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Photo credit: UC Berkeley

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