Can koi fish, a Feng Shui fish, be given away?

The appearance of crucian carp is completely aimed at the low-end market, so don't raise crucian carp in koi fish, and the price will drop. What's the lucky number in koi fish?

2

three

five

six

9, combined with your own eight characters, you can get the feeding quantity that suits you, of course, combined with feeding conditions. Raising koi fish would rather not be intensive than bad. Even a good koi fish is much better than a group of sick koi fish.