A stunning portrait of an enchanting mermaid surrounded by a dazzling school of tiny goldfish, set against a mesmerizing backdrop of vibrant marine life. The faintest beams of light gently permeate the deep azure water, casting a mystical glow. Captured with a cinematic lens at 35mm, F/2.8, the scene is artfully framed with a subtle vignette. The 4k detail reveals a breathtaking tapestry of intricacy and opulence in the mermaid's features and surroundings, illuminated by cinematic lighting. Her elegance and grace are highlighted in a hyper-detailed, ornate display, capturing the enchanting beauty of an underwater realm, maintaining an aspect ratio of 1:2 with an exceptional quality level of 2.