Funding for this research was provided by:
Young Scientists Fund (31802287)
National Natural Science Foundation of China (31730098, 31430088)
China Postdoctoral Science Foundation (2018M632969)
Science and Technology Bureau, Changsha (kq1901087)
Received: 3 July 2019
Accepted: 14 October 2019
First Online: 28 November 2019
: All experiments were approved by the Animal Care Committee of Hunan Normal University and followed the guidelines statement of the Administration of Affairs Concerning Animal Experimentation of China. All samples were raised in natural ponds, all dissections were performed under MS-222 (Sigma-Aldrich, St. Louis, MO, USA) anesthesia, and all efforts were made to minimize suffering.This manuscript does not involve the use of any human data or tissue. So the consent to participate is not applicable.
: Not applicable.
: The authors declare that they have no competing interests.