They too always "follow the water temperature." Over the past three years, Lu Hsueh-jung has been surveying changes in the distribution in Pacific waters of the three types of tuna that make up the bulk of Taiwan's tuna catch: albacore, yellowfin and skipjack. For skipjack, Taiwanese boats mainly work the central and west Pacific.
過去三年，呂學榮陸續調查台灣最主要的三種鮪魚漁獲──長旗鮪、黃旗鮪、正鰹──在太平洋海域空間分佈的變化。