both
No, the freshwater hydra does not have a medusa stage in its life cycle. The hydra belongs to the class Hydrozoa, which typically do not have a medusa stage like other cnidarians such as jellyfish. Instead, hydras reproduce asexually by budding.
Yes , Hydra is a Cnidarian animal
Cnidarians
Cnidarians are found in marine environments, particularly in coral reefs, rocky shores, and ocean floors. They can also be found in freshwater habitats like lakes and rivers.
Nope - Cnidarians are marine creatures !
Cnidarians are an entirely aquatic phylum of animals. They include jellyfish and corals, along with some lesser known creatures. Most species are marine, but a few burrow under the seafloor or live in freshwater lakes and rivers.
Polyp and medusa are two stages in life cycle of cnidarians , polyp is hydra like and medusa is jelly fish like .
Hydra is in the phylum of the cnidarians which is a radical symmetry. so ectoderm, the outer layr which form the nerve sytem. Also, the endoderm, the inner layer are presented in the hydra.
Organisms such as hydra are cnidarians, and all cnidarians belong to the taxonomic domain of Eukarya, members of which are characterised by having cells with nuclei. Eukarya covers all organisms in the Kingdom Animalia, as well as the Kingdoms Plantae, Fungi and Protista.
Pacific Sea Nettles Hydra Portuguese Man'O War common jellyfish
Cnidarians are things such as sea jellies, therefore usually will be found in marine environments.
Burrowing - Hydra typically move by somersaulting or looping, using their tentacles to anchor and propel themselves in freshwater habitats.