Portrait of an enchanting mermaid surrounded by a swarm of delicate goldfish, set against a rich tapestry of vibrant marine life. The dim light filters through the water, casting a mysterious glow on her iridescent scales. Captured in a cinematic style, 35mm, F/2.8, with a soft vignette and 4k resolution. Dramatic spotlight and cinematic lighting enhance the intricate details and elegant features of the scene. The composition is beautifully ornate, with super detailed elements throughout, creating a mesmerizing underwater tableau.