Treatment methods for the rotten head of Luohan fish:

1. If the Luohan fish has scratched its head, in order to prevent it from being damaged by the water tank when the Luohan fish grows new skin, If the bacteria in the fish tank invade, the water in the fish tank needs to be changed regularly to prevent the wound from worsening.

2. If it is caused by saprolegnia, you need to stop feeding first, change the water regularly, apply medicine, and finally increase the temperature in the fish tank appropriately to improve the immunity of Luohan fish.

3. If it is caused by head hole disease, you need to disinfect and clean the fish tank first, adjust the water temperature, remove the carrion around the wound on the head of the Luohan fish, and then apply special disinfectant for Luohan fish. In severe cases, it is necessary to Take a medicated bath.

Methods to prevent Luohan fish from rotting its head:

1. Change the water in the fish tank regularly to keep the water clean and prevent bacterial growth.

2. When placing the fry into the fish tank, the fry should be soaked and disinfected to prevent the introduction of pathogens or pathogenic insects.

3. Improve the nutrition of Luohan fish, ensure the nutritional balance of Luohan fish, and improve the immunity of the fish.

4. Do a good job of disinfecting parasites before overwintering to prevent parasites from remaining and continuing to reproduce.