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.

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.

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 red, black, 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.