Key Laboratory of Applied Marine Biotechnology of Ministry of Education;
Ningbo University;
Ningbo 315211;
China;
Collaborative Innovation Center for Zhejiang Marine High-Efficiency and Healthy Aquaculture;
Ningbo University;
Ningbo 315211;
China;
Third Institute of Oceanography;
State Oceanic Administration;
Xiamen 361001;
China;
Portunus; trituberculatus; DNA; methylation; methylation-sensitive; amplification; polymorphism; low; salinity; gill; muscle; hepatopancreas;