There are four other species of hammerhead sharks which live in the same area as the smalleye hammerhead shark lives: the scoophead, the bonnethead, the great hammerhead shark and the scalloped hammerhead shark. There is little competition between these sharks because of their different habitats and eating. Adult males and young ones of both genders come together and form groups, although these groups to not seem to be made for reproduction or migration. Adult females seem to live alone.