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i dont think that they do because i have a pet hermit crab and another died and they didn't eat each other because they qot on quite well!

Not very often will a hermit crab eat one of its companions. However, if that hermit crab is lacking nutrients in his diet they are more prone to become cannibalistic. One must feed a well balanced diet as well as plenty of protein and chitin. Most chitin sources are protein, but not all protein sources contain chitin.

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14y ago

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