User blog comment:Lord Loss/Monster Hunter Theory... Blog/@comment-81.159.201.139-20130107171425/@comment-5043481-20130113171220

You know the jaw bone, it is a loop. The bottom of the mouth is soft. You have a face, poke it. The crabs 'skulls' jaws are solid, with no hollow bit.

I've always thought that shoguns have a grown gravios shell and the others are replacements. It only does the water beam with the gravios shell. And yes, it would hurt greatly when his shell is broken. That is to be expected. We chop off tails and they keep on fighting.