Scalding tail disease. Small air bubbles will appear on the hanging fin rays and the skin at the tail angle of the silk tail, and the buoyancy generated can cause the fish to lose its balance, causing the head of the fish to face down and the caudal fin to float on the water surface. Blocks fall off.

Change the water every 3~5 days, and the water temperature should not exceed 28 Spend. In severe cases, when changing the water, press the fins from top to bottom with your hands to drain the air bubbles between the fins.