• Jellyfish are comprised of more than 90% water. They have, no complex nervous system, no heart, no bones and no brain.
  • Jellyfish are not fish. They are actually, more closely related to plankton.
  • A group of jellyfish is called a ‘smack’ (not a swarm, bloom or school).
  • An adult jellyfish is called a ‘medusa’.
  • There are (loosely classified) approximately 2000 species of jellyfish.
  • All jellyfish have toxic stinging cells.
    • Jellyfish kill more people every year than sharks.
    • A single Box Jellyfish contains enough toxin to kill 60 adult humans.
    • Even dead jellyfish can sting.
    • Only, approximately 70 species of jellyfish pose any risk to humans.
    • Although slightly toxic Moon Jellyfish are generally harmless to humans.
  • Jellyfish are one of the most alien lifeforms on earth.
  • Jellyfish exist in every ocean
  • Jellyfish have thrived on earth since long before the dinosaurs.
  • Jellyfish inhabit environments from the tropical ocean’s surface to 9 kilometers under the surface.
  •  In the wild, jellyfish populations are rising globally.