Koi fish is one of the oldest naturally occurring fish. They are quintessential pond fish. They are product of the selective breeding in Japan.  Koi is capable of getting far bigger.

Caring Koi is a big commitment, but the grace and beauty will pay for the efforts.

A koi fish should be torpedo-shaped and symmetrical, with no defects in its conformation. It should be plump without being obese, and the paired fins should be the same shape and size. Like all carp, the koi lacks teeth but has a terminal mouth, which means it’s found at the end of its head. Since the fish is largely a bottom feeder, its mouth is inferior, which means it opens downward. Barbs are found at the edges of the mouth, which gives away the koi’s carp ancestry. The colorations of all types of koi fish should be rich and saturated, and white and silver scales should have a sparkle to them.