Portrait of an enchanting mermaid with flowing, luxurious hair, surrounded by a shimmering school of colorful tropical fish. The mystical underwater world serves as a backdrop with diverse marine life and soft beams of light piercing through the ocean's depths. Captured with a cinematic quality, using a 35mm lens at F/2.8, the scene is enhanced with a subtle vignette, 4k clarity, a focused spotlight, and intricate, elegant detailing. The composition is ornate and richly textured, maintaining a super detailed essence that highlights the elegance and allure of the underwater realm.