In 1993, Taiwan developed a method for speeding up the growth of cobia (Rachycentron canadum) hatchlings. The locals in Hsiyu began using the new technique to raise cobia in Chuwan Bay and the waters off Neian. Soon Hsiyu had the biggest marine aquaculture facilities in the ROC.
漁翁島、海鱺鄉民國八十二年，我國成功以人工催熟培育海鱺魚苗，領先世界各國，並在西嶼鄉內垵及竹灣海域養殖，成為國內最具規模的海上牧場。