1. Reason: Koi fish may not come up at the bottom of the tank because they are resting. Koi also have their own schedules, and they usually rest at night. If this happens at night, it's probably because they're resting.
2, remedial method: This kind of circumstance belongs to normal phenomenon, do not need to treat. If Koi fish are resting during the day, they can adjust their schedule, such as turning on the lights during the day and turning off the lights at night, to help them adjust their schedule.
1, the reason: although the koi is cold water fish, but the temperature is too low can also cause them not to like to move, like hibernation. The temperature at the bottom of the tank will be a little higher than the upper layer, so the koi will always lie on the bottom of the tank.
2. Treatment: This condition requires the breeder to raise the water temperature to 25 degrees and maintain a stable water temperature. Because the suitable water temperature for Koi is 22-28 degrees, but they prefer 25 degrees.
1, reason: Koi's courage is not big, if someone beats the fish tank, someone suddenly approaches or suddenly speaks loudly, it will frighten them, causing them to lie down in the tank.
2. Treatment: You can put the fish tank in a quiet place for rest. When feeding, you can talk to the koi more and let them get used to the human voice.
1, the reason: Koi lying tank may be due to the gill rot disease. The early symptoms of gill rot disease are lying in the tank, not swimming, and poor mental state. The main cause of gill rot is bacterial infection. Poor water quality, excessive temperature difference when changing water, and low water temperature are all likely to breed bacteria.
2. Treatment: Koi with gill rot disease should first isolate the diseased fish, then raise the water temperature, and then take a medicated bath with yellow powder. Stick to it for a week or so and it will be effective.