Portrait of an enchanting mermaid with opulent flowing hair, surrounded by shimmering goldfish amidst vibrant marine life. The dim light gently penetrates the depths, casting an ethereal glow. Captured in a cinematic style with 35mm, F/2.8, enhanced by a subtle vignette. Showcased in 4k with spotlight and cinematic lighting, this scene is insanely detailed and intricate, exuding elegance and ornamentation. The image is richly detailed and ornate, maintaining a sense of wonder and mystery, aspect ratio of 1:2, quality setting at 2.