The Great White Sharks along with a few other marine organisms such as stingrays, chimaera and skates are unique as their skeletons are made of cartilage rather than bone. Majority of Great Whites can measure up to a whopping 15 feet (4.6 metres) with an average weight of 1,500-2,450 pounds. Females tend to grow larger than males and some specimens have been recorded exceeding 20 feet (6 metres) and weighing up to 5000 pounds. The Great White has a slate, grey upper body which aids them when trying to blend in with rocky coastal sea floor and their name derives from their white underbellies. Their powerful tails can propel them through the water at speeds of 24km/h due to their extremely streamlined, torpedo shaped bodies. Such force is produced
