Jellyfish swimming.

Jellyfish swimming.
The Jellyfish Swim Stroke

As the jelly contracts, it creates higher pressure within its bell, and the animal is pulled ahead to lower pressure (2). By flexing the edge of its bell, the jelly moves the vortex down and underneath (3). There the vortex pushes water up as it spins, giving the jelly an extra shove

Видео Jellyfish swimming. канала LUIS ESTÉVEZ BIOLOGíA Y GEOLOGíA