What Special Characteristics do Some Types of Sharks Have?
All types of sharks have certain characteristics that they share while some can be quite peculiar if not unique. For example, did you ever wonder how experts identify positively the shark involved in a shark attack? The shape and size of the shark teeth are almost like fingerprints. While the Great White shark has large triangular jagged teeth, the Tiger shark has smaller and strong hook-shaped teeth capable of crushing hard-shell preys such as turtles and crustaceans. Another special characteristic or feature of certain types of sharks is the fact that unlike most sharks, the Bull shark, the Nurse shark and the Lemon shark do not need to move continuously to breath. In fact, while they rest at the bottom of the ocean, they can breathe by opening and closing their mouth which pumps the water through their gills. There are also special characteristics to some types of sharks such as their method of reproduction. For example, not all sharks give birth the same way. Some species like the
