Crabs ingest food through their mouths just as we do, but do not use teeth to grind it. Depending on the species, they may have only soft, feathery mouthparts, or much harder ones. The hermit crab (Coenobita clypeatus) has delicate mouthparts called maxillopeds that help move food into its mouth. read more
Yes they do. And on either side of their mouth are prehensile mouth parts called chelapods. These reach down and take up the food that the crab has broken off with his claw. read more
Interestingly, crabs do have teeth. But not in the way you’d think. Most crabs have very soft feathery mouths, so they need a way to break up all the food they ingest. read more