Seperate the fish from the others using a net to avoid the injured fish from being attacked. Ensure ammonia and nitrate levels in the tank are correct and feed the fish with a quality food until the fin heals. Be gentle when moving the fish so it doesn't become injured.
Feed the fish a good quality food. The nutrients may help the fin heal. Make sure nitrate and ammonia levels are correct. Keep other fish from bothering injured one.
Generelly the fish like gold fish are suffered from this desease. Mainly for the failure of digestion system and direct of SB system. In this condition the main thing is to firstly make the water very free from any virus and any type of dengerous bacteria. Then make sure about amonia and nitrate level is very balanced. PH level should be very good.
The nitrate and ammonia levels are correct,Keep other fish from bothering,The fish must treat with good quality foods,The nutrients may help the fin heal,so,The bent fish fin must handle with care as listed above.
