In feng shui theory, gossip is a universal code symbol, which can be used to relieve qi and transport. It's best not to leave them in the yard. Wrong place, time and place. Good luck will go bad. Do more good deeds and build good relationships. I believe you can be safe without gossiping.
Yin-yang fish refers to the middle part of Taiji diagram, which is called "the first diagram of China". This well-known Tai Chi map is called "Tai Chi Map of Yin and Yang Fish" because it looks like a combination of Yin and Yang fish. Solemnly declare: the answer is for reference only, don't be blindly superstitious.