For communication, hammerheads use body language for establishing the social hierarchy and giving orders for the schools to disperse. Head shakes, torso thrusts and swimming in loops are some of the body language signals employed by hammerheads. Hammerheads are nocturnal, meaning they are most active during the evening.
The most important function of the hammer according to scientists is increased electroreceptive area and its sensory perception. This means that the hammerhead has a remarkable sensory ability to detect the small electrical auras surrounding all living creatures