More than 90 percent of the fish there are caught with huge trawling nets, called "Great Walls of the sea," measuring 800 meters long and 100 deep.
而「巾著網漁船」捕獲烏魚的數量約佔百分之九十以上。老船長捕烏靠第六感巾著網有「海上長城」之稱，是可以圍成八個足球場大、深達一百公尺的超級魚網，曾有一次網七萬多尾烏魚的驚人紀錄。