What is the most common species of jellyfish? The Aurelia Aurita, known as the moon jelly, is the most common and widely recognized jellyfish species.
What are the main types of jellyfish? There are four classes of jellyfish: scyphozoa, cubozoa, hydrozoa, and staurozoa. There are over 200 species of scyphozoa or ‘true jellyfish’, which live in all the world’s oceans. Some are deep-sea jellyfish, but most scyphozoa live near coastal waters.
What is the rarest kind of jellyfish? It’s called Chirodectes maculatus (from the Latin for “spotted”), and it’s an extremely uncommon species of box jelly found off the coast of Queensland, Australia.
What is the scariest jellyfish? More specifically, it’s the Australian Box Jellyfish. According to the National Ocean Service: “Box jellyfish, named for their body shape, have tentacles covered in biological booby traps known as nematocysts — tiny darts loaded with poison.