The systematic breeding of decorative Amur carp started in the 1820s in an space known as “Nijūmuragō” (二十村郷, lit. ‘twenty villages’) which spans Ojiya and Yamakoshi in Niigata Prefecture (located
The systematic breeding of decorative Amur carp started in the 1820s in an space known as “Nijūmuragō” (二十村郷, lit. ‘twenty villages’) which spans Ojiya and Yamakoshi in Niigata Prefecture (located