Mallow is one weird little crab. Brought him and Uber Ralph home yesterday, I'd had them for only an hour or two and Mallow changed shells. It was kinda freaky, I picked up this shell that he had come in and it was empty. And then there was one of the shells I got in Cape Cod that was moving around. And when I checked on them again today, Mallow had moved back into his old shell. Dex is still intimidated.