The video shows a single jellyfish floating in the water. The jellyfish is semi-transparent and has a bell-shaped body with long, thin tentacles that trail behind it as it moves. The background is completely black, emphasizing the jellyfish's delicate and ethereal appearance. The jellyfish's movements are slow and graceful, and it appears to be the only living creature in the frame. There is no visible title, subtitle, or text in the video.