In order to allow the fish to return to and thrive in its natural setting in the Tachia River and its tributaries, it was necessary to understand the reasons why its numbers had been falling, and to find the right solutions to address the fundamental causes of its decline.
歸鄉路迢迢但人工繁殖，只是復育過程的一部分，要讓國寶魚重新優游自在於大甲溪流域，就必需更進一步瞭解魚兒減少的原因，以對症下藥。