When Prof. Juong of NTOU says in your article that fishermen were "terrified that their boat would be dragged along," he is presumably talking about the risk of towing a live shark.
海洋大學莊助理教授在該文提及「… … 就怕船被拖著跑，搖搖晃晃，危險無比… …」，應該就是描述早期漁船拖拉活鯊魚的景象。