Fisheries College,Guangdong Ocean University,Zhanjiang 524025,China;
Fisheries College,Guangdong Ocean University,Zhanjiang 524025,China;
Fisheries College,Guangdong Ocean University,Zhanjiang 524025,China;
Fisheries College,Guangdong Ocean University,Zhanjiang 524025,China;
Meretrix meretrix; population; morphology; karyotype;