Koi feeding at the
United States National Arboretum in
Washington, D.C. Koi are ornamental varieties of domesticated
common carp (Cyprinus carpio) that are kept for decorative purposes in outdoor
koi ponds or
water gardens. Varieties are distinguished by coloration, patterning, and scalation. Some major colors are white, black, red, yellow, blue, and cream.Photograph: Arden
Koi feeding at the
United States National Arboretum in
Washington, D.C. Koi are ornamental varieties of domesticated
common carp (Cyprinus carpio) that are kept for decorative purposes in outdoor
koi ponds or
water gardens. Varieties are distinguished by coloration, patterning, and scalation. Some major colors are white, black, red, yellow, blue, and cream.Photograph: Arden