Scyphozoa—the true jellyfish—are cnidarians whose life cycles are dominated by the free‑swimming medusa stage.Most species also have a benthic polyp (scyphistoma) that reproduces asexually by strobilation, releasing ephyrae which grow into medusae.They are key planktonic predators and vectors...
Moon jellyfish feed on plankton such as mollusks, crustaceans, worms and copepods.Moon jellyfish occasionally eat gelatinous zooplankton such as hydromedusae and comb jellies.Moon jellyfish also use their stinging cells to capture plankton.Moon jellyfish live and reproduce for a few months before dy...