The video features a series of jellyfish swimming in the water. The jellyfish are shown in various colors, including blue and purple, and are captured from different angles. The jellyfish have long tentacles that trail behind them as they move. The background is a solid color, which contrasts with the jellyfish and makes them stand out. The jellyfish appear to be in a calm and serene environment, with no other creatures or objects visible in the video.