Rare and expensive koi fish raised at Jiang Lingyuan's estate outside the capital. Varieties include Showa Sanshoku, Taisho Sanshoku, and Gin Rin Kohaku, which could sell for dozens to hundreds of taels of silver. Some swam from the rear courtyard into Jinghu Lake. Third Young Madam had been trying to catch them to sell for money for her family.
