Koi fish are always at ease in the water, flowing as the tide runs deep under water. Feng shui, a spiritual form of organization and placement of objects, ... Gold Koi: Wealth, prosperity, growth.

Speckled in flecks of gold, koi fish are a prized possession. Valued for their colors and size, these scarlet carp often serve as the centerpiece in many garden ponds. Unlike goldfish and other ...

If the fish is an adult koi, it's a relatively small one, Cohen said. Koi can grow to be up to three feet, according to the Smithsonian's National Zoo and Conservation Biology Institute.