金鱼以其色彩艳丽、体形奇特、游姿优美、性格温驯而受到人们的喜爱,是公园、庭院和家庭窗前案头等处装点的主要景观之一。随着人民生活水平的提高和对外贸易的发展,金鱼在国内外市场的需求量日趋增加。金鱼经过千百年来的饲养驯化、杂交和选种,从体型、体色到头部、鳍条、鳞片、眼鼻、鳃 Goldfish with its colorful, unique shape, elegant posture, tame character and loved by people, is the park, the courtyard and the front desk at home, etc. decorated one of the main attractions. With the improvement of people’s living standard and the development of foreign trade, the demand of goldfish in domestic and overseas markets is increasing day by day. Goldfish after thousands of years of domesticated breeding, hybridization and selection, from the body, body color to the head, ray, scales, eye nose, gills