1, the reason: Luohan fish like the water temperature is 28-32 degrees, if the water temperature is too low, the body color will fade, over time the body color will be dark and black.
2. Solution: The breeder needs to raise the water temperature to 28 degrees and keep the water temperature constant. Water temperature should rise slowly, not suddenly, otherwise it will cause stress reaction of Luohan fish.
1. Reason: If someone beats the fish tank hard or shouts loudly, the Luohan fish will be frightened. After being frightened, the Luohan fish will have black spots on its body.
2. Solution: Breeders need to keep the surrounding environment quiet. If they are seriously frightened, they can cover the fish tank with black cloth to give them a closed and quiet environment and let them recover by themselves.
1. Cause: Luohan fish is prone to blackening after suffering from diseases, such as enteritis, parasites, etc. The main cause of this disease is poor water quality.
2. Solution: First of all, change the water in time to keep the water clean. Secondly, two thousandths of coarse salt can kill bacteria and parasites in the fish tank. Finally, raise the temperature and increase the oxygen. General symptoms are not serious, the use of these methods can be cured, if the symptoms are serious, you can use potassium permanganate solution or oxytetracycline bath.
