Jellyfish
- Species
- More than 2,000
- Classification
- Cnidaria > Medusozoa
- Conservation Status
- Various
- Length
- Less than 0.1 in to over 6 ft
- Weight
- Up to 440 lb
- Habitat
- Most Seas and Oceans
- Jellyfish are found all over the world, from surface waters to the deep sea. They are not one type of animal, but a group of animals that have an unusually complex life cycle, while being some of the most efficient swimmers on the planet.
- Draw a type of jellyfish.

- Places
- Everywhere, except Antarctica
- The Lion's Mane jellyfish is one of the biggest jellyfish, while the Stygiomedusa gigantea may well be the largest known.
- A group of jellyfish is called a "smack".
- There could be up to 300,000 species of jellyfish yet to be discovered.
- Though rare to find, fossil jellyfish have been found dating from before the time of the dinosaurs.
- In some countries people eat jellyfish.
- Some jellyfish are active predators.