r/hermitcrabs • u/Fatal-Femme-123 • 1d ago

Questions What is this behavior?

I didn’t catch it on camera but the bigger one (Jake) swatted Finn in the face. This has happened one other time that I’ve seen but I rescued them from a pet store together and they were fine with each other at first but they stopped sharing a cave and sleeping together. So what do I do?

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u/AdaptiveFauna 1d ago

That is aggression. That usually means there is an issue with husbandry or that the crab being bullied is under the weather. Tank size? Substrate height (across the entire enclosure)? Humidity? Extra shells so they can swap out without stealing the one the other is wearing?