**Marine Fish Sperm Cryopreservation and Quality Evaluation in Sperm Structure and Function**

Qing Hua Liu, Zhi Zhong Xiao, Shi Hong Xu, Dao Yuan Ma, Yong Shuang Xiao and Jun Li *Center of Biotechnology R&D, Institute of Oceanology, Chinese Academy of Sciences, Qingdao PR China* 
