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Biological characteristics and multiplication techniques of Sepia esculenta

HAO Zhen-lin, ZHANG Xiu-mei, ZHANG Pei-dong (Key Laboratory of Mariculture of Education Ministry, Ocean University of China, Qingdao 266003, Shandong, China).  
Sepia esculenta (Cephalopoda: Sepioidea) is widely distributed in the sea areas of Russian Far East, China, Japan, Korea and Philippines. It is not only one of the most important species of coastal fisheries resource in China, but also a good wild species with high commercial value. This paper reviewed the research advances on the biological characteristics and multiplication techniques of S. esculenta, with the focus on its morphology, fishery biology, behavior ecology and genetics, as well as the artificial hatching of fertilized egg, paedomorphosis, and effects of material quality, shape, stability and color of spawning substrates on attachment of fertilized egg, and discussed the existing problems and future directions in researching the multiplication techniques of S. esculenta.
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