Each koi has a unique color pattern, scale variation and body shape. They can live more than a 100 years and reach four feet in length. Koi come in blacks, whites, reds, yellows and blues and all combinations of those colors. There are hundreds of Japanese names for the fish to describe certain color and fin patterns and scale types.
Ponds range from thousands of gallons to a few hundred.
Landscaping varies from pond to pond based on the owner's personality.