The video captures a vibrant underwater scene with a large orange sea anemone as the main focus. The anemone is situated on a rocky ocean floor, surrounded by small fish swimming around it. The anemone's tentacles are gently swaying in the water, creating a mesmerizing effect. The fish, which are small in size, are seen swimming in and out of the anemone's tentacles, possibly seeking protection or food. The colors in the video are predominantly shades of orange and blue, with the orange of the anemone contrasting against the blue of the water. The video does not contain any visible text or subtitles.