Although the great white shark is possibly the most popular of this team of gifted hunters and also voracious eaters, sharks can be found in several sizes, forms as well as colors.
Generally, nonetheless, the torpedo-shaped body and sharp rows of teeth are the hallmarks of the shark. Some exceptions are the fuss shark, a deepwater varieties, which resembles an eel greater than a shark.
One more variation is the pygmy shark, which grows no larger compared to 10 inches in length. The pygmy has light-producing organs on its stubborn belly and sides.
It is believed that this its luminescence gets rid of darkness, making this shark challenging to see when striking its target.