The forms and structures of gill pouch in five Lampetra japonicas were observed in detail.
本文对五条日本七鳃鳗腮囊的形态结构进行了比较详细的观察。
Lampetra japonica could migrate to the Yellow Sea region and freshwater in Jiangsu Province.
日本七鳃鳗可以迁移到黄海及江苏省淡水中。
Lampetra has eyes, in the form of small cameras, and can use information about colours and shapes that these cameras gather in order to get around obstacles.