Where does phlyum colentrarata live?

Phylum Coelenterata, now more commonly referred to as Cnidaria, primarily lives in marine environments, including oceans and seas. Members of this phylum, such as corals, jellyfish, and sea anemones, are predominantly found in saltwater habitats, although some species can inhabit freshwater environments. They thrive in a variety of ecological niches, from deep sea to coastal areas and coral reefs.