This study was attempted to find appropriate surgery for gill cover curling disorder in arowana. Gill cover curling is a usual clinical findings in arowana, which often lead to death of the fish by dyspnea. Two different surgical methods were implemented in this study for gill cover by using cutting and incising fm-like fer two silver arowana. The surgery was identified to be successful since the fish healthily recovered. This experiment demonstrated that gill cover curling can be cured by using surgery.