It is said that raising fish at home is good for feng shui, so how many should be raised and where should I put them?

The south left the divinatory symbols and raised two or seven or nine red goldfish; In the west, four, nine or seven black or platinum fish or tropical fish are raised; Northwest dry divination longevity, raising black, platinum fish, tropical fish four, nine, six; There are five, ten and eight kinds of yellow and white fish in the northeast. The rest of the position is not suitable for fish farming! Bad for feng shui!