However, not all hydrozoans are considered jellyfish. For example, the famous Portuguese man o’ war is part of the class Hydrozoa but is known as a siphonophore. They are made up of groups of small ...

Though technically a siphonophore and not a jellyfish, the Man O' War is so closely related that people lump them into the same category. A native of the Atlantic Ocean, anywhere from the coast of ...

Watch out for Man-o-Wars along the beaches of North Carolina! Cape Lookout National Seashore officials issued a warning last ...

This beautiful siphonophore, Pyrostephos vanhoeffeni, is typically encountered in Antarctic waters. Siphonophores are not an individual animal, but a colony of individuals that all serve a ...

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 ...

An Orange Beach visitor yesterday snapped a photo of a rare Gulf Coast sighting, a Portuguese man o’ war. “Stranded but still ...

Jellyfish are known for drifting to and fro at the whim of ocean currents—but not all species are so passive. The millions of golden jellyfish that pack Palau’s Jellyfish Lake spend much of ...

For example, this picture of a Diplulmaris antarctica jellyfish shows it feeds on comb jellies, with a Beroe present in its stomach, whereas numerous hyperiid amphipods (small parasitic ...

Although commonly referred to as a jellyfish by the general public, it is actually a siphonophore - a floating colony of polyps that work together and move, driven by wind and ocean currents.