Wang Lingling, born in 1973. She received her Ph. D degree in Institute of Oceanology, Chinese Academy of Sciences in 2005. She also received her B.S. and M.S. degrees from Zhejiang Agriculture University and Zhejiang University respectively. Her research interests include population genetics, linkage mapping and QTL mapping of marine animals. To whom correspondence should be addressed. E-mail:lshsong@ms.qdio.ac.cn