Hermit crabs have always been sorta funny to me. Critters that live in other critters' recycled houses.
Your comment earlier that they like to have a choice between at least three shells was especially funny. Crabs shopping. Nope... bad fit on that one. That one's OK... but I'm not crazy about the color. Ah... this one... this is the one. I'll take it.
Does this one make my claw look fat?
You shoulda seen the one that switched shells tonight. He was dead set on getting a new shell and stuck his head waaaay into each shell as if he was looking around inside to see if the fit was right.
When he found the one he wanted, he just dove in head first and turned around lickety-split. Viola! All new look. :-D