The total amount of the fat in dona intestinalis was 6. 16% and in styela clava was 5. 02% then in the inner-bursa and shell of styela clava were 10. 68% and 1. 14% respectively with dried weight.

• 脂肪总含量；玻璃海鞘为干重的6.；16%25; 栖海鞘的含量为干重的5