Hybodus is one of the longest living shark species in the world. It lived from Permian to the earliest part of the Late Cretaceous. It is a predator, hunting fish, sea turtles, and baby marine reptiles. Like moderine day sharks it has incredable senses that allows them to sense there prey through vibrations in the water. It is stream lined making it fast and agile. Its teeth can regrow after it is worn off.