The document presents information about 10 different shark species, ranking them based on their threat level to humans. It finds that the Bull Shark is the most dangerous to humans, having attacked over 250 people, of which over 100 were fatal. The Great White Shark, ranked second, has attacked 116 people with 67 fatalities. Meanwhile, sharks like the Lemon Shark and Oceanic Whitetip Shark have not been responsible for any recorded human deaths.