Many siphonophores are long and string-like, but some, like the venomous Portuguese man o'war (Physalia physalis), resemble ...

Siphonophores are complex polymorphic pelagic gelatinous cnidarians, sometimes known as ‘string jellies’. At present the group comprises about 170 species. Habitat and life cycle Siphonophores are ...

The siphonophore is known as Rhizophysa eysenhardtii. Siphonophores are fascinating marine organisms belonging to the phylum Cnidaria, which includes jellyfish, corals, and sea anemones.