Koi Carp (錦鯉 Nishikigoi) is a domesticated and genetically selected form of the Common Carp (Cyprinus Carpio). Hailing from Japan, koi were first bred in the 1820s in the town of Ojiya. Koi carp sport characteristic coloration that makes them a popular pond and decorative fish. There are more than 120 different types of Koi worldwide, varying in color and shape. Of these, the most popular varieties are the Tancho, Shusui, Asagi, Sanke, and Utsuri.