Hydrozoa - Hydra, Portuguese Man O' War, Turritopsis Nutricula, Aequorea Victoria, Anthomedusae, Craspedacusta Sowerbyi (Paperback)

Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Pages: 31. Chapters: Hydra, Portuguese Man o' War, Turritopsis nutricula, Aequorea victoria, Anthomedusae, Craspedacusta sowerbyi, List of prehistoric medusozoans, Velella, Siphonophorae, Chondrophore, Obelia, Gonophore, Leptomedusae, Conica, Fire coral, Haleciidae, Clytia gregaria, Hydra vulgaris, Csiromedusa medeopolis, Lovenellidae, Gonionemus, Cladonematidae, Leptolinae, Physalia utriculus, Transgenic Hydra, List of hydroids of the Houtman Abrolhos, Porpita porpita, Air fern, Crossota millsae, Praya dubia, Plumularioidea, Hydra viridis, Campanulariidae, Trachymedusae, Flower hat jelly, Hydra oligactis, Net fire coral, Trachylinae, Rhopalonematidae, Snail fur, Crossota norvegica, Tubularia, Staurocladia, Kirchenpaueriidae, Hydroida, Hydra viridissima, Phialella zappai, Marrus orthocanna, Eleutheriidae, Olindias phosphorica, Vampyrocrossota, Aequorea tenuis, Zyzzyzus, Heterastridium, Polyorchis, Halecium, Narcomedusae, Benthocodon pedunculata. Excerpt: The Portuguese Man o' War (Physalia physalis), also known as the Portuguese man-of-war, man-of-war, or bluebottle, is a jelly-like marine invertebrate of the family Physaliidae. The name "man-of-war" is borrowed from the man-of-war, a 16th century English armed sailing ship which was based on an earlier Portuguese vessel. Despite its outward appearance, the Man o' War is not a true jellyfish but a siphonophore, which differ from jellyfish in that they are not actually a single creature, but a colonial organism made up of many minute individuals called zooids. Each of these zooids is highly-specialized and, although structurally similar to other solitary animals, are attached to each other and physiologically integrated to the extent that they are incapable of independent survival. The Man o' War is found in warm water seas floating on the surface of open ocean, its air bladder keeping i...