Watch a moon jellyfish make walls of water to glide along – Science Magazine

By Tess JoosseJan. 6, 2021 , 10:45 AM
The moon jellyfish in the video above might seem like an odd candidate for the underwater Olympics. But these creatures are actually some of the most energy-efficient swimmers in the animal kingdom. Their secret weapon, according to new research, is a wall of water the jellies create underneath their bodies to propel themselves forward.
Scientists tracked the ghostly moves of moon jellyfish (Aurelia aurita) in the lab by recording them with high-speed video….

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