Hermit crabs fighting??

[ccantlin]

These two hermits have been at it for at least two hours. Are the fighting or are the 'fighting'?
Should I break them up or is it nothing to be concerned about


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[54seaweed]

Hermits will fight for each others shell it's just what they do, there really isn't anything that can be done to stop it . it's all a part of nature it's normal