Bizarre jellyfish-like creature discovered: We think a writer for The Dodo summed it up best when saying the jellyfish-related creature "is in fact a roving colony made up of thousands of individual organisms, called zooids, each contributing to the whole."
Must watch video! (short) The largest calving event ever witnessed. The scale of it? Mind-blowing. When they superimpose part of Manhattan Island onto the ice at the end of the clip, you think, "Uh oh." This is a peek into something monstrous. / In 10 years it has retreated more than it has in the previous 100 years.
Pyrosomes, are free-floating colonial tunicates that live usually in the upper layers of the open ocean in warm seas. Pyrosomes are cylindrical- or conical-shaped colonies made up of hundreds to thousands of individuals, known as zooids. Colonies range in size from less than one centimeter to several metres in length.