The story for kids
This is the jellyfish. It has no brain, no heart and no bones, and it's made almost all of water. Jellyfish have lived in the sea for much, much longer than the dinosaurs.
Facts
- It has no brain, heart or bones.
- About 95 percent of its body is water.
- Jellyfish have lived for more than 500 million years, even before the dinosaurs.
Numbers
- Size
- ~30 cm
- Eats
- Plankton, small fish