Now, how could you determine if it is often a real ho ca koi? Other fishes may share the same trait so a really good inspection ought to be needed to confirm if that a koi or not. Perhaps one obvious thing to check is nevertheless .. Try to make estimates on photograph. Tend to be lucky the hho booster is a totally grown one since any koi would reach up to 3 feet in period of time. This should make it easier to distinguish from regular fish. Make an attempt to also check the colors and pattern that the fish that has.