Yellow eels captured in the Kaoping River were repeatedly injected with human chorionic gonadotropin (HCG), and changes of morphology and gonadal development were examined.

• 将高屏溪采补到之日本鳗的黄鳗每周施打人类绒毛膜促性腺激素(HCG)，检验样本在形态上的改变与生殖腺的发育模式。