• Kingdom: Animalia
  • Phylum: Chordata
  • Subphylum: Vertebrata
  • Class: Actinopterygii
  • Order: Cypriniformes
  • Family: Cyprinidae
  • Genus: Cyprinus
  • Species: Cyprinus carpio
  • Koi, or nishikigoi, (Japanese for colored Koi), belong to the Carp family.
  • Koi were first introduced to the world at a Tokyo exposition in 1912.
  • Koi are hardy, cold water fish, which go dormant in the winter.
  • Koi are long lived fish, with some living over 100 years.