Science and Technology Daily, Nanjing, April 21st. The yellow spicy fish that northerners like to eat and the angling fish that southerners like to eat are actually yellow catfish. However, the small size, low meat production rate, and slow growth of yellow catfish really make foodies wait anxiously. On the 21st, the reporter learned from Nanjing University that the Li Kaibin group of the Pearl River Fisheries Research Institute of the Chinese Academy of Fishery Sciences collaborated with the Zhao Qingshun group of the Institute of Model Animals of the school and Nanjing Yaoshun Yu Biotechnology Co., Ltd., using gene editing technology to successfully develop fast-growing, A new breed of yellow catfish with high meat quality and large specifications. This is the first international knockout of aquaculture fish, and the results have been published in the journal Aquaculture.