This Specimen I got it in an anemone about 25 meters deep, while doing a recreational diving dive, I took some pictures.
I hope you like them.
They are territorial, so the maintenance of small volumes of water of several specimens is not viable. These animals, unlike other families of crabs, do not molt, so the amputated limbs are not regenerated.

Its coloration varies a lot from one individual to another, depending much on the coloration of the habitat