A breathtaking portrait of a stunning mermaid with opulent, flowing long hair, surrounded by a swirling school of vibrant goldfish against a rich tapestry of marine life. The dim light filters through the depths, casting a cinematic atmosphere. Shot with a 35mm lens at F/2.8, the scene is enhanced by a subtle vignette, featuring cinematic lighting that highlights the insanely detailed and intricate features of the composition. The mermaid's graceful elegance is captured in ornate and super detailed textures, evoking a sense of otherworldly beauty and mystery within the aquatic realm.