Life cycle of a jellyfish: transparent, soft-bodied marine animal, umbrella-shaped and of gelatinous appearance.
Medusa - mobile phase: independent, adult jellyfish.
Strobila: larval form of the jellyfish.
Polyp: plase during the life cycle of a jellyfish when its digestive tract is a cul-de-sac.
Planula larva: the least-developed stage of the life cycle of a jellyfish