a beautiful mermaid princess with long flowing hair, enchanting eyes, elegant facial features, delicate skin, a shimmering iridescent tail, sitting on a rock surrounded by a magical underwater scene with colorful coral, schools of tropical fish, and shafts of light streaming through the water, (best quality,4k,8k,highres,masterpiece:1.2),ultra-detailed,(realistic,photorealistic,photo-realistic:1.37),fantasy,digital art, cinematic lighting, vibrant colors, intricate details