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Overview
Jellyfish are included in the phylum Cnidaria and are spread out between
most of the Cnidarian classes. They are well-known for their bell-shape and
their ability to sting. They inhabit aquatic environments, and while some live in very deep waters, most can be found in shallow areas close to shore. Jellyfish are carnivorous and eat zooplankton and comb jellies. They capture their prey by shooting out nematocyst from their tentacles, which have the ability to sting.The jellyfish have two dominant stages, the polyp stage and the medusa stage. During the polyp stage, they remain rooted to the sea floor and don't move at all. During the medusa stage, the more recognizable form, jellyfish obtain their bell-shape and move by propelling themselves through the water. They are considered a delicacy in some countries. Their stings can be harmful to humans and should be treated immediately.
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