The video captures the mesmerizing movement of jellyfish as they float through the water. The jellyfish are illuminated by a light that changes colors, creating a beautiful and ethereal effect. The jellyfish vary in size and shape, with some appearing larger and more prominent in the frame. The colors of the light range from a soft blue to a vibrant pink, casting a glow on the jellyfish and highlighting their delicate and intricate structures. The video does not contain any text or subtitles.