２００３年元月６日晚９时左右，江苏省靖江市渔民张灿荣、顾贵清在长江新港段江面东南３～４公里处下网捞蟹苗，收第２网时收上一条将网底搅缠成一团的中华鲟。张灿荣率先发现了鱼脊上的标志牌，他猜这是国家保护动物。当日是靖江市自１９８６年以来温度最低的一天，陆地气温 At about 9 pm on January 6, 2003, fishermen Zhang Canrong and Gu Guiqing of Jingjiang City, Jiangsu Province, caught nets at 3 to 4 kilometers southeast of the river’s surface at the port of Changjiang, and closed the net at the closing of the 2th net. Chinese sturgeon. Zhang Canrong first discovered signs on the fish spine, he guessed this is a national animal protection. The day is the lowest temperature in Jingjiang since 1986, the land temperature