Hello friends welcome to museum of Zoology Department, Shri Shivaji Science College, Nagpur.I am Physalia, commonly known as the Portuguese man o' war. I have a floating, gas-filled bladder with long, stinging tentacles.My tentacles deliver a painful sting to capture prey and defend against predators. I sometimes wash ashore in large numbers, posing a hazard to beachgoers. Thank you visit again