Phylum Cnidaria

      There are over 10,000 species in the Cnidaria Phylum. These animals are characterized by their flexible tentacles, and ability to shock and kill their prey. All of these organisms are multicellular and most  inhabit fresh and saltwater. These species are all radially symmetric and come in two forms polyp and medusa. Some of these organisms include: fire coral (Millepora), jellyfish(Medusozoa), hydroids (Hydrozoa), sea anemones (Actiniaria), and Siphonophores (Siphonophorae).