the northern courtyard fish pond from freezing? If you want to prevent the fish pond from freezing, you can build a greenhouse above it, which can keep the water temperature from dropping to 0 C, or inject more water into the pond to raise its water level, so as to ensure that the deep water will not freeze. In addition, if a pump is installed in the pool, it can better keep the water flowing, and the flowing water is not easy to freeze, if it is still water, the possibility of freezing is greater.
? 1. Golden fish: Golden fish, also known as Tangyu or Baiyun Jinsi, is an ornamental fish of Tangyu genus of Cyprinidae. It is mainly distributed in Guangdong and is an endemic species in China. Although this kind of fish lives in the south, it is not afraid of the cold, can survive in the environment of 5 degrees Celsius, and has a lively temperament, mostly feeding on zooplankton.
2. Chinese bettas: Bettas are basically tropical fish, but Chinese bettas are more resistant to low temperatures. The length of this fish is about 5-6 centimeters, the body is oblong, because the male is very aggressive, so it is best to keep alone. It can tolerate a low temperature of 3 degrees Celsius and will not freeze to death without heating in winter.
3. Koi: Koi is a eurythermic fish, which can tolerate the low temperature of 5 ℃ and survive in the water of 30 ℃. It has many varieties, rich colors, mild temperament and miscellaneous feeding habits, so it is very easy to raise.
