This implies that the growth of American eel elver was faster in early summer and autumn than mid-summer and winter.

• 本实验暗示，美洲鳗在台湾的自然环境下，春至夏初及秋季成长较快，而冬季及盛夏成长迟缓。控制在适温下，可延长生长期及成长率。