Fish out of water In the 1970s, with the development of the Taichung metropolitan area, many reservoirs were constructed in the Tachia River watershed. The river current became stagnant. The brook masu salmon, being selective about its environment, could not live in a waterway so lacking in vitality.
六○年代，隨著大台中的發展，大甲溪流域建起多座水庫，溪流變成湖泊，對環境要求嚴苛的鮭魚無法適應過於靜態、缺乏生命力的水域。