2. Pignosed turtles are born with some parasites, and long-term polyculture can easily lead to the death of other fish.
3. Parrots are versatile, too small and easy to become arhat sandbags.
Even if the wind and water content of your polyculture method is 100, it violates the law of natural survival.
Polyculture is a science, and it must be based on science to succeed.