The basic profit is very low. . . The rent is too high. .
I don't know if you are from the north or the south. . .
Calculated based on 1,500 kilograms of fish per mu. . The average price is 5.5 yuan per cat (the price of carp, grass and silver carp is average.)
Remove the food. . . . Basically, you have to lose money.
There are also utility bills.