Nature Communications 6: Article number: 6367 (2015); Published: 9 March 2015; Updated: 29 October 2015

The financial support for this Article was not fully acknowledged. The second sentence of the Acknowledgements should have read: ‘This work was supported by the National Basic Research Program of China (no. 2014CB542005), the National Natural Science Foundation of China (no. 91431103), the Marine Fisheries Science and Technology Promotion Project of Guangdong Province (no. A201301C09), and the Science and Technology Planning Project of Guangdong Province (no. 2012A080202006)’.