The video shows three jellyfish swimming in a tank. The jellyfish have translucent, pinkish-white bodies with a purple-tinted, dome-shaped bell covered in white spots. The tentacles are long and thin, with small white tips. The background is a deep, dark blue, suggesting deep water or an aquarium environment. The jellyfish move gently through the water, their tentacles trailing behind them. The focus is primarily on the jellyfish, with only minor details visible in the background.