This is the moment a sand tiger shark bared it’s razor sharp teeth to a diver The shark's protruding jaw is an important element in feeding behaviour. Each jaw is somewhat flexible, consisting of right and left halves joined in the centre at what is termed the symphysis. During a bite, many sharks can extend the entire jaw structure forward, thrusting it out from the skull. This helps some sharks bite off parts of prey that are too big to swallow whole. 📹 Matt Prior | Roar Wildlife News