Uca pugnax says, “On guard blasphemer!” Image from fiddlercrab.info. Everyone knows that all crabs moult. Its no secret. When you wear you skeleton on the outside, its difficult to find the room to grow. Every now and then crabs and other arthropods (as well as a few other phyla) shed their exoskeleton or cuticle, resorbing . . . → Read More: Fiddler Crabs Moult for a Breath of Fresh Air