Fish has always been one of the most widely used good luck symbols that co-related to attract wealth and abundance in the Feng Shui world, because the word fish in Chinese (Yu) sounds like Surplus , representing an overflow of good fortune. In addition, fish belong to the water element and in Chinese belief, water also symbolizes wealth and prosperity. Besides these, koi fish is also a symbol of success and determination. In addition, the koi is tied to the yin yang symbol. In fact, the black and white teardrops of the yin yang symbol are said to be representations of two koi, one male and one female. Therefore, a pair of koi is often used as a good luck symbol for a happy marriage.

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