1. Standing scale disease: almost all of the scales of the diseased fish stand up, and only a few diseased fish have partial scale standing. If detected early, antibiotic treatment, such as sterilization and AZ00 antibacterial agents, can also cure diseased fish.

2. White spot disease: This disease is caused by protozoa Caused by the pathogen named leukoplakia, it penetrates deep into the cells of the skin, reproduces asexually, and forms small white punctate cysts. Use malachite green solution with a concentration of 0.01%, soak the scabbard fish for several days until the white spots disappear completely, or use a commercially available white spot treatment agent.