A photorealistic scene featuring a mermaid gracefully swimming through the depths of the ocean, surrounded by shimmering air bubbles. The water is a vibrant light blue, illuminated by cinematic floodlighting that casts ethereal beams through the currents. Her scales glisten like precious gems, reflecting the soft glow around her. Coral formations and schools of tiny fish enhance the realistic underwater setting, creating a mesmerizing 8K cinematic visual. The aspect ratio highlights the vertical expanse of the oceanic realm, drawing the viewer deeper into this enchanting aquatic world.