Why they're awesome: The largest animal on Earth is thought to be the blue whale, but these strange sea creatures can grow even longer — reaching up to 150 feet (46 meters) in length. There are ...

An Orange Beach visitor yesterday snapped a photo of a rare Gulf Coast sighting, a Portuguese man o’ war. “Stranded but still stunning — a Portuguese Man-o-War spotted on the shore," wrote City of ...

The Portuguese man-of-war is a siphonophore, an animal made up of a colony of organisms working together. The man-of-war comprises four separate polyps. It gets its name from the uppermost polyp ...

Siphonophores are not an individual animal, but a colony of individuals that all serve a specific function and are morphologically different.

A yellow flag, and a special purple flag, have been raised on a beach in Tenerife after a dangerous discovery was made.

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.