Pyrosomes, genus Pyrosoma, are free-floating colonial tunicates that usually live in the upper layers of the open ocean in warm seas, although some may be found at greater depths. Pyrosomes are cylindrical or cone-sh… See more

The name Pyrosoma derives from the Greek words pyro, meaning "fire", and soma, meaning "body". See more

Although many planktonic organisms are bioluminescent, pyrosome bioluminescence is unusual in its brilliance and sustained light emission, and evoked the following comment when seen by the eminent scientist … See more

The following species are accepted as valid by the World Register of Marine Species:
• Pyrosoma aherniosum Seeliger, 1895
• Pyrosoma atlanticum Péron, 1804
• Pyrosoma godeauxi van Soest, 1981… See more