1. Black body disease. Pearl is thin and dull in color. If the lesions are on the gills, it will cause difficulty breathing and float on the water. The disease is caused by Trichinella parasitic on the skin or gills. The epidemic period is from May to August when the water temperature is above 25℃. Solution: 1% saline solution; 20ppm potassium permanganate solution medicated bath for 10 to 20 minutes.

2. Dehydration. Pearl HangingAbdomen is swollen, eyeballs bulge, or scales stand upright Pinecone-like condition. immediately improve water quality. Additional treatment such as antibiotics or antimicrobials.