Morphological Differences between Natural Hybrids of Silver Carp and Bighead Carp in the Xiangjiang River and Artificially Hybridized and Self-bred Populations

• TIAN Lu, 
• ZUO Zhiliang, 
• WU Qifan, 
• TIAN Xing, 
• LI Jinlong, 
• XIANG Jin, 
• PENG Zhitao, 
• GAO Feng