全世界大概已经有十多个国家发行过金鱼邮票。金鱼是中国古代遗传育种技术的一项成就。人们将野鲫鱼与锦鲤鱼多次杂交、筛选之后,培育出具有美丽外表和高雅气质的鲫鱼变种,古籍称“丹鱼”。汉唐时期,供皇家花园池养,南宋时发展成缸养,以后称作“金鱼”。 Almost a dozen countries around the world have already issued goldfish stamps. Goldfish is an ancient Chinese genetic breeding technology achievement. People wild crucian carp and koi fish hybrids many times, after screening, cultivate a beautiful appearance and elegance of the crucian carp species, the ancient book called “Dan fish.” Han and Tang dynasties, for the Royal Garden pool Yang, Southern Song Dynasty developed into a cylinder support, later known as the “goldfish.”