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Jellyfish are not fish. The are actually invertebrates which means they do not have a backbone. The jellyfish is made up of ninety-five per cent water.

Known as Scyphozoa, jellyfish are individual animals that function in similar ways to the hydrozoan 'jellyfish'. All jellyfish have stinging tentacles but the stings vary from severe to a mild and temporary prickling or burning sensation.