Jellyfish use currents to move place to place in the water. Their belly use a pulsating movement to move vertically which is very important becuase it is very sensitive to light so it needs to be able to decend deeper into the ocean.Jellyfish tend to eat other jellyfish and other zooplankton by paralyzing it using their tentacles. Their tentacles paralyze or kill other organisms and some jellyfish could kill humans such as the Portuguese Man O'War. Jellyfish live in fresh and salt water, most of them also live on the shallow water but some live as deep of 12,000 feet in the water.
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