n.[動(dòng)]蛞蝓；文昌魚

Amphioxus swimming to spiral way forward. 文昌魚游泳時(shí)以螺旋形方式前進(jìn)。

A total of 12 kinds of Amphioxus. 文昌魚共有12種。

Amphioxus is suitable for the warmth of the sea animals. 文昌魚是適合在溫暖海中的動(dòng)物。

Amphioxus the male and female body shape of the same, but different gonad. 文昌魚的雌體與雄體外形相同，但生殖腺不同。

Amphioxus body by the rapid movement and drilling holes in the ocean floor. 文昌魚藉身體的迅速運(yùn)動(dòng)而在洋底鉆洞。

Amphioxus not buoyancy organ, so when Chenla stop swimming underwater. 文昌魚不具浮力器官，所以停止游動(dòng)時(shí)即沉落水底。