Actually, white sharks are much more complex than you may think. An animal that is 'cold-blooded' means their inside body temperature is dependent on the environment they are in. read more
Most sharks are cold-blooded. Some, like the Mako and the Great white shark, are partially warm-blooded (they are endotherms). These sharks can raise their temperature about the temperature of the water; they need to have occasional short bursts of speed in hunting. read more