(1) Jellyfish are free-swimming members of the phylum Cnidaria.

(2) Jellyfish are free-swimming members of the phylum Cnidaria. They are found in every ocean, from the surface to the deep sea. Many jellies are so transparent that they are almost impossible to see.

(3) In contrast to CNIDARIA they lack stinging cells, but they are voracious predators and possess sticky cells (colloblasts) for capturing prey.

(4) Jellyfish are free-swimming members of the phylum Cnidaria . They are found in every ocean, from the surface to the deep sea.

(5) Jellyfish are part of the Cnidaria group, along with anemones and corals – about 5 per cent of the total.