1. White spot disease: The whole body seems to be covered with a white film, the mucus is increased, the body color is dull, the fish is thin, loses vitality, slow swimming, often sluggish, loss of appetite, accompanied by There are bleeding spots. Sprinkle 5/1000 salt into the tank and raise the temperature to above 28°C, or soak it with 2/1 million mercurous nitrate solution for 30 minutes.

2. Water atrophy: the body of the sling appears like cotton wool If it is attached to the like substances, antibiotics and antibacterial agents should be supplemented, or malachite green or methylene blue should be used for treatment.