A man carries a bag of pet fish outside a pet fish market in Tiexi District of Anshan, northeast China's Liaoning Province, Feb. 6, 2021. Pet fish has become popular here as the Spring Festival approaches. (Xinhua/Yao Jianfeng)

Photo taken on Feb. 6, 2021 shows pet fish at a pet fish market in Tiexi District of Anshan, northeast China's Liaoning Province. Pet fish has become popular here as the Spring Festival approaches. (Xinhua/Yao Jianfeng)

Photo taken on Feb. 6, 2021 shows pet fish at a pet fish market in Tiexi District of Anshan, northeast China's Liaoning Province. Pet fish has become popular here as the Spring Festival approaches. (Xinhua/Yao Jianfeng)

A child views pet fish at a pet fish market in Tiexi District of Anshan, northeast China's Liaoning Province, Feb. 6, 2021. Pet fish has become popular here as the Spring Festival approaches. (Xinhua/Yao Jianfeng)