Mermaid gliding above observer in a glowing fantasy ocean

A surreal painting with exaggerated details. Close-up of a beautiful mermaid with shimmering scales crossing the ocean, surrounded by countless bright and beautiful fish, just as she passes over the observer, who is standing right below her, very close. Volumetric lighting, ultra-sharp focus, crystal-clear sharpness, extreme contrast, visual effects, ultra CGI rendering, 16K, bright, vibrant, fantasy core, magical, hyper-detailed, concept art, dark fantasy. Focused fantasy realism. Professional, realistic, and natural photography, natural lighting, sharp focus.