Once a simple food fish, koi have transformed into living jewels, with some fetching sky-high prices in the global luxury market. Here's how this happened. In the world of high-end pets, few creatures ...

One is greeted by colorful koi fish swimming gracefully in the ponds when entering Jiangsu Qihong Ecological Agriculture Development Co., Ltd., in east China's Jiangsu Province. The fish are a feast ...

One is greeted by colorful koi fish swimming gracefully in the ponds when entering Jiangsu Qihong Ecological Agriculture Development Co., Ltd., in east China's Jiangsu Province. The fish are a feast ...