Pheromones and hormones are actively responsible in the sexual behavioral responses and zigzag dance of sticklebacks. There are stimuli that also act in this complex coordination of events when it comes to courtships and finding mate. Biologists have long studied sticklebacks and used the information in determining how biological chemicals affects the life and behavioral responses of animals and man. Read more here http://gulpmatrix.com/effects-pheromones-hormones-sexual-behavior-stickleback/