1, the reason: Luohan fish like a little higher water temperature, if the water temperature is too low, their body will gradually turn black, and the mental state will become worse and worse.
2. Solution: The breeder needs to adjust the water temperature to 28-30 ℃, and then use the heating rod to keep the water temperature constant. After the water temperature remains stable, they can recover their body color by themselves. Pay attention to the temperature difference between new water and old water when changing water at ordinary times.
1, the reason: Luohan fish's courage is relatively small, if frightened after the body will turn black, but also may appear other stress reactions. Such as running around, hiding at the bottom of the tank and so on.
2. Solution: In this case, the breeder needs to keep the surrounding environment quiet and keep the Siraitia grosvenorii separately. After they recover, the body color will gradually change back to the original color. Feeding may be discontinued during the recovery period.
1. Cause: Luohan fish will also have blackening of body color after illness. Parasitic infection or enteritis are more common. Both diseases may cause their body color to turn black.
2. Solution: Breeders need to judge which disease it is according to other symptoms of Siraitia grosvenorii. If it is enteritis, norfloxacin or norfloxacin can be added to the food. If it is a parasite, it is necessary to determine whether it is an ectoparasite or an endoparasite, and then symptomatic treatment.
