Portrait of a stunning mermaid, gracefully surrounded by a swarm of small goldfish amidst a vibrant tapestry of diverse marine life. Dim sunlight filters gently through the water's depths, casting an ethereal glow. Cinematic imagery captured with a 35mm lens at F/2.8, enhanced by a subtle vignette, showcases the scene in breathtaking 4k resolution. A focused spotlight and cinematic lighting reveal insanely detailed intricacies, weaving an elegant and ornate masterpiece. Every fin and scale is rendered in super-detailed clarity against the backdrop of the mysterious underwater world, with an aspect ratio of 1:2 and quality setting at 2.