The authors concluded that this "zigzagging" is an avoidance or escape reaction. "Such behavior to escape from nearby penguins would greatly increase the krill's odds of survival. And these odds would ...

Importantly, these three tactics provided at least some females with a means to escape the clutches of overzealous males. As the researchers noted, “Displaying mate avoidance behavior resulted ...

The authors concluded that this ‘zigzagging’ is an avoidance or escape reaction. “Such behavior to escape from nearby penguins would greatly increase the krill’s odds of survival.