Hermit crab rule

I have no eyelids and I must sleep

I imagine the crabs are confused that their home has windows

oh, right that's what it's supposed to be. Definitely couldn't confuse that glass cage with anything else.

I remember reading a while back that glass shells aren't great for hermit crabs

https://crabwow.com/are-glass-shells-bad-for-hermit-crabs/