Olympic swimmers aren’t the only ones who change their strokes
to escape competitors. To escape from the jaws and claws of predators in cold,
viscous water, marine copepods switch from a wave-like swimming stroke to big
power strokes, a behavior that has now been revealed thanks to 3-D high-speed
digital holography.
Copepods are tiny crustaceans found in nearly every aquatic
environment on Earth. By some estimates, they are the most abundant animals on
the planet.