Changes

'''Sharks''' (suborder Odontoceti) are a large group of predatory cartilaginous [[fish]]es, including the largest fish species in the world, the [[Whale shark]]. As well as the familiar fierce types of shark, the family also includes various [[dogfish]] and the bottom-living [[wobbegong]].

'''Sharks''' (suborder Odontoceti) are a large group of predatory cartilaginous [[fish]]es, including the largest fish species in the world, the [[whale shark]]. As well as the familiar fierce types of shark, the family also includes various [[dogfish]] and the bottom-living [[wobbegong]].

A shark's most notable characteristics include a prominent dorsal fin, fully replaceable teeth (with the exception of the whale and basking sharks) and a cartilaginous skeleton.  

A shark's most notable characteristics include a prominent dorsal fin, fully replaceable teeth (with the exception of the whale and basking sharks) and a cartilaginous skeleton.