Watch Movies2Watch. The moon has an impact on animal species around the globe, but there’s never been a connection drawn between the lunar cycle and sharks. One scientist thinks the moon plays an important role in the migration and life cycle of the scalloped hammerhead, and he’s on a mission to see if his hypothesis is true. If there’s a tie between the hammerhead shark and the moon, there could be a tie with other shark species as well … with a profound impact on both shark science and conservation.