The snout is blunt with tiny, sharp teeth in both jaws. The crocodilians are the only reptiles to have teeth anchored in sockets in their jaws. They are grouped according to the structure of their jaws and molar teeth. Echidnas have tiny mouths and toothless jaws. Additionally, freshwater eels possess small, granular teeth arranged in bands on the jaws and vomer. They feed by extending a large proboscis that bears four hollow jaws. He had one esophagus, connected to the mouth with both jaws. Loggerheads crush prey with their large and powerful jaws. It consists of a skull with lower jaws. Pedicellariae are compound ossicles with forceps-like jaws. Rope wraps around their upper jaws, flippers and tails. Harvestmen clean their legs after eating by drawing each leg in turn through their jaws. Cyprinids are stomachless fish with toothless jaws. It is found in the movement of appendages and jaws. Juveniles are mottled with black on the sides of the jaws, body, and tail.