halloween hermit

So I just bought a Halloween hermit crab a couple days ago, and it's been doing fine, but I just came home today to find it carving into the reef rock? Like actually breaking chunks of the rock off and exposing the bare white... You can see here the big white patch compared with the colour of...

what’s up guys check out my new hermit crabs that I got today. Doing pretty well in the tank adapting to the new environment. Tomorrow is water change day so we will see how it looks tomorrow 2- Scarlett hermit crabs 2- Halloween hermit crabs 3- electric blue hermit crabs

I am looking to get a single hermit for my biocube 16 LED. I have a few cerith and astrea snails in there right now and a single scarlet hermit that may or may not be dead. Just added a small sized sand sifting conch recently. Would a halloween hermit be ok around this cleanup crew or would it...