Create a high-definition image: Description: Main Body and Features Mermaid: She has a flowing long hair, which seems to be dark brown or black, spreading out in the water. Her tail is presented with a beautiful green or bluish-green color, with the fish-like part unfolded, swaying elegantly. Pose: The mermaid is slightly turned to the side, with her arms lightly raised, making a dance or floating motion, giving a peaceful and beautiful expression. Background and Atmosphere Water Scene: Surrounded by deep blue sea water, creating a profound and mysterious atmosphere. Light: There seems to be a soft or multiple beams of light from the water surface or somewhere else entering the scene, illuminating the mermaid, especially her face and tail, adding a sense of fantasy. Details: There might be some small bubbles or faint lights scattered in the background, further emphasizing that she is underwater.

Create a photorealistic, high-definition underwater scene of a mermaid, slightly turned to the side with her arms softly raised as if dancing, her long hair dark brown to black billowing around her head in the teal-blue water, a luminous green to bluish-green fish-like tail with the fin unfolded and swaying, set against a deep blue sea backdrop with gentle beams of light filtering from the surface to illuminate her peaceful face and tail, intricate pearl-like bubbles and faint ambient specks of light scattered through the water, and a serene, magical atmosphere.