Sekiguchi Koi Farm was founded in 1958 by Kosuke Sekiguchi in the Minami. Initially, they bred Kohaku, Sanke, and Asagi. His son Kazuo, work part-time at the farm, but eventually took more interest after he managed to stabilize a new variety called the ‘Pearl Ginrin’. They began to focus on producing Showa, and a few Pearl Ginrin Varieties. Now, the farm is run by Masayuki Sekiguchi, the third generation and is renowned for their high quality Showa.