Butterfly Koi (Cyprinus carpio), also known as Longfin Koi or Dragon Carp, are a captivating variant of the traditional Koi fish, distinguished by their elongated fins and vibrant colors. These fish are a product of selective breeding, aimed at enhancing their aesthetic appeal and adaptability in various aquatic environments. The unique physical characteristics of Butterfly Koi make them a popular choice among aquarists and pond enthusiasts.