1. White mouth disease. A white cotton-like mycelium grows on the snout of the archerfish suffering from this disease, which is difficult to feed and swims slowly and weakly. An aqueous solution of 1/100,000 concentration was made with oxytetracycline, and the diseased fish was soaked in it until the symptoms disappeared. Aquariums, fishing nets and other utensils should be immersed and disinfected with 0.1% formaldehyde solution.

2、ascites . Archerfish show a swollen stomach with ulcers, protruding or sunken eyes, and raised scales. Dissolve 1 bottle of gentamicin in 50 kg of water, splash and immerse the archerfish, and persist for a few days to see the effect.