A mermaid gracefully swims in the deep ocean, surrounded by shimmering air bubbles, with her elegant tail glistening in the light. The scene is captured in photorealistic detail with a palette dominated by light blue hues. The ocean depths are illuminated by cinematic floodlights, casting a magical glow around her. Her flowing hair dances with the current as tiny marine creatures move alongside. This mesmerizing underwater portrait is captured in 8K resolution, providing an immersive view of the marine realm. The aspect ratio is 1:2, amplifying the elongated and serene ambiance of the scene.