bonito. The scientific name of swordfish in Qianqiao, Zongyang County is Coilia elata, also known as Coilia elata and Coilia elata. It is one of the famous delicacies in China and one of the three delicacies in the Yangtze River. The swordfish is named because of its shape like a knife. When the fish head is held upside down by hand, it is not bent, and its shape is like a sharp blade, so it is named as Coilia elata. Taxonomically, it belongs to the swordfish.