The double fish symbol is symbolic of sexual unions and also successful partnerships.
also symbolizes harmony and unity in the family. In a house, the best
place to display a double fish symbol is the dining area where the whole
family sits together for a meal.
It is also a protective symbol and enhances auspicious Chi.
This symbol is regarded as one of the eight treasures of Buddha.
It creates energies which help in keeping the married couple together and thus reducing the number of divorces.