What will happen to the seven-star fish and snakehead splash in the pond in 2 degrees weather?

Seven-star fish and snakehead fish go into the water in the second degree weather, mainly depending on the water temperature, if the water temperature. When the water temperature is lower than 8, the seven-star fish stops eating; When the water temperature is lower than 6, the seven-star fish stops moving; When the water temperature is close to 0, the seven-star fish is buried in thick mud to keep out the cold; When the water temperature is below 0, the seven-star fish will freeze to death.