Videos to BEH 3804

Video 1. Behaviours in the highly polarized schools of scalloped hammerhead sharks.

Video 2.  Corkscrew action pattern, involving a rapid burst of swimming into a tight looping trajectory with the shark rotating its torso almost 360° on its longitudinal axis before entering the circular trajectory.

Video 3.  Mating, recorded at Manuelita Island, located in the northeast of Cocos Island, which is over 500 km off the Pacific Coast of Costa Rica.