A stunning and captivating 3D illustration of a vibrant and beautifully designed koi fish swimming elegantly in a surreal fantasy world. The fish features glossy red scales embellished with ornate gold designs, shimmering eyes, and intricate pearl details. The artwork showcases a vivid color palette and detailed, high-resolution craftsmanship that resembles the styles of renowned artists such as Atey Ghailan, Tim Burton, James Jean, and Mark Ryden. The scene is brought to life through volumetric lighting and a fantastical composition, evoking an epic and enchanting visual experience.