The Masking Behavior of Inursus

The masking behavior of in ursus begins with the selection of a clump of algie. The crab then selects a single piece of alga using the celli in a cella over cella technique to correctly measure the piece of algie to the required size. Attachment is accomplished by rubbing it against the hooked setti, so that the cut end becomes entrapped by the setti. It's a process that may seem beyond the abilities of what we might might generally attribute to a crab. But then again, we think about the way they eat and it does sound like a natural extension of that.