Not only is it not a jellyfish, it's not even an "it," but a "they." The Portuguese man-of-war is a siphonophore, an animal made up of a colony of organisms working together. The man-of-war ...

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 ...

This creature is a siphonophore, a relative of the "long ... scientists had the opportunity to see the animal alive in its natural habitat for the first time. Over the 28-day expedition, 10 ...

This creature is a siphonophore, a relative of the "long ... scientists saw the animal alive in its natural habitat for the ...