A graceful koi fish, featuring a streamlined, elongated body with flowing, delicate fins. Its surface is covered in smooth, slightly iridescent scales that display vibrant patches of orange and white, often with subtle black markings, all possessing a metallic sheen. The texture of its body scales appears fine and overlapping, while the fins are translucent and feathery. Its form is hydrodynamic, suggesting a smooth, cool, and agile creature.