A Brief History of Koi. Koi, or Nishikigoi (Cyprinus carpio), are descendents of the common carp. In nature they are brown, but through selective breeding by the Japanese, numerous colors and patterns were developed. In the 17th century Chinese rice farmers began keeping carp in their rice paddies. read more
Carp are a large group of fish originally found in Central Europe and Asia. Various carp species were originally domesticated in East Asia, where they were used as food fish. read more