Are nine koi fish with different colors considered as Feng Shui fish? Such as pure white, pure gold, pure black, pure red, etc. ...

As long as they are purebred koi fish, they can be used as Feng Shui fish, but koi fish of different colors has different views on Feng Shui. For example, gold, platinum and ink carp are auspicious; Red and white dominate health; Mountain Wang Ding's business; There are quite a lot of ink carp, which are placed according to the owner's eight characters and the layout of the house.