1. Why do arowana polyculture fight when the lights are turned off It may be because arowana are prone to tension and irritability after turning off the lights, so when the lights are turned off, they will take the initiative to attack other fish. In addition, it is also possible that people are there when the lights are turned on, so they will not fight. When they can't see people when the lights are turned off, they will fight.
2. Do Arowana need to turn off the lights at nightArowana need to turn off the lights at night, especially the Arowana just bought home. Don't turn on the lights during the day and at night. Because they have just arrived in a new environment, it takes time to adapt gradually. Breeders need to give them a quiet and dark environment, which can speed up their adaptation.
If you are an adapted arowana, you need to turn off the lights at night. Because they also have regular work and rest, when night falls, they will also enter a state of rest. If the breeder doesn't turn off the lights at night, they will think that night hasn't arrived yet, and they will remain alert and excited all the time. Although it will not have much impact in a short time, it will have a certain impact on their mental state and physical health in the long run. Under the condition of normal feeding, it is best to turn off the lights after entering the night, which can not only ensure that they have enough rest time, but also speed up their metabolism.
