A realistic photorealism depiction of a mermaid gracefully navigating the depths of the ocean, surrounded by shimmering air bubbles. Her scales glisten in the floodlight, casting a light blue hue across the scene. The cinematic lighting accentuates the serene beauty of her underwater world, with rays of light filtering through the water, creating a mesmerizing interplay of shadows and highlights. This stunning 8K visual captures the enchanting allure of this mythical creature, as she moves effortlessly through her aquatic realm with a sense of wonder and tranquility.