catadromous fishes降海鱼类;降河鱼类;降海产卵性鱼类;详细翻译
catadromous fish降海产卵鱼;下海鱼;降河鱼
catadromous migration降河洄游;降海洄游;降河回游;下海洄游
ADJ(形容词) (of fishes such as the eel) migrating down rivers to the sea in order to breed (鱼,如鳗鱼)下海产卵的 → compare anadromous