What is another word for hydrozoan?
Pronunciation: [hˈa͡ɪdɹəzˌə͡ʊn] (IPA) 
Hydrozoans are a group of marine organisms that belong to the phylum cnidaria and are mainly characterized by the presence of tentacles. There are several synonyms used to describe hydrozoans, including hydroid, hydrozoan polyp, hydrozoan jellyfish, hydromedusa, and hydrocoral. Hydroids typically have a colonial structure and lack a medusa stage, whereas hydrozoan polyps are solitary and have a medusa stage in their lifecycle. Similarly, hydromedusae are solitary medusae lacking a polyp stage, whereas hydrocorals are distinguished by their hard calcium carbonate skeletons. Despite these differences, all synonyms refer to a diverse and fascinating group of aquatic animals that play significant roles in marine ecosystems.
