ocr: Jellyfish Jellyfish are animals without backbones that live in the oceans of the world, especially warmer tropical seas. They have a - bell-shaped section which they use to swim through the water, and from the undersurface of - - the jellyfish hang long stinging tentacles that the animal uses to capture and paralyse its prey. Some jellyfish have such a powerful sting that they can even kill human beings.
