Then they have no bones. The colors on the jellyfish are brown, pink, white, blue or pale orange. Then some are egg shaped and ribbon like. The also look like a open umbrella. Some people also think that jellyfish look like aliens from another planet.
Every different jellyfish has a different number of tentacles.
The jellyfish mostly eats little tiny fish. They eat as the fish run into the jellyfishes tentacles or mouth. They catch fish by swimming up and then they stop and they sink to the bottom while catching the tiny fish while the fish are swimming around. The larger jellyfish mostly swim around freely. Some jellyfish can glow in the bottom of the ocean.