Life of Sea | Portuguese Man o' War(Physalia physalis) | These toxic marine animal is also known as the Blue Bottle jellyfish. Named "Man of War 'is obtained from the similarity of his torso, with Portuguese battleship with a sail. The Portuguese Man o' War is found in warm water oceans float on the surface of the open ocean, the air bladder keeps the head above water and acting as a sail, while the rest of the organism is under the surface. It has no means of self-drive and is totally dependent on winds, currents and tides. Portuguese Man o' War usually lives in tropical and subtropical regions of the Pacific and Indian Oceans, and the northern Atlantic Gulf Stream, although found in warm seas throughout the world.
Species: P. physalis
Although the physical appearance as a jellyfish, Portuguese Man o' War is not a true jellyfish. It is siphonophores, an essentially consists of a colony of organisms working together. Bluebottle jellyfish consists of four separate polyps. The top polyp, pneumatophor, is full of gas. Therefore floats on water. The blowflies color can range from a blue to a pink hue, with a translucent body. Three other polyps known as: dactylozooid (functioning as a defense), gonozooid (reproductive function) and gastrozooid (functioning to eat).
Another part of the Portuguese Man o' War is tentacles. The tentacles are thin and long. They can be up to 30 meters. The tentacles are covered with nematocysts are full of poison to paralyze and kill fish and other small creatures. It eats small fish and other small animals that ocean is out with its long tentacles. The poison in the stingers paralyzes the prey, then eat the Portuguese Man o' War.
Despite the sting out, there are few marine animals that are immune to the sting Portuguese Man o' War. An example is the turtle. Turtles immune to the stabbing Portuguese Man o' War, because their skin and shells are too thick to be inserted by Bluebottle jellyfish. Moreover, Man of War to the favorite food of the turtle menu list. Sea slug, Glaucus atlanticus, Violet snail Janthina janthina, Blanket Octopus and Ocean Sunfish are other predators of Portuguese Man o' War.
For people, Portuguese Man o' War's sting was very painful, and sometimes causes death. In Australia, Portuguese Man o' War was responsible for as many as 10,000 people stabbing each summer in Australia, especially on the east coast, the coast of South Australia and Western Australia. Portuguese Man o' War cause fever, shock and heart and lung problems. If you are stung by a Portuguese Man o' War pick off any visible tentacles and rinse with fresh or salt water. Put ice on the area. Because you may go into shock, it is important to get medical help as soon as possible. The toxins from tentacles are about 75 percent as powerful as cobra poison. Even dead Portuguese Man o' Warh stranded on the beach and death, can still stabbing, so do not touch them.