Cestum jellies are shaped like gliders, with a central cockpit-like mouth flanked by two huge wings. On each wing, countless…
Cestum jellies are shaped like gliders, with a central cockpit-like mouth flanked by two huge wings. On each wing, countless cell hairs flap back and forth to propel the jelly forward, creating a shimmery prism of rainbow color. When the jellies are feeding, rather than migrating to or from the ocean’s depths, these moving wings create a wake that buffets and frightens would-be prey, such as small shrimp-like copepods
via https://www.biographic.com/northern-lights-from-the-deep/