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First observation on the early embryonic and larval development of spiny oyster Saccostrea kegaki Torigoe & Inaba, 1981 (Bivalvial: Ostreoida) using scanning electron microscope on the north coast of Jeju, Korea
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  • Journal title : The Korean Journal of Malacology
  • Volume 29, Issue 2,  2013, pp.97-103
  • Publisher : The Malacological Society of Korea
  • DOI : 10.9710/kjm.2013.29.2.97
 Title & Authors
First observation on the early embryonic and larval development of spiny oyster Saccostrea kegaki Torigoe & Inaba, 1981 (Bivalvial: Ostreoida) using scanning electron microscope on the north coast of Jeju, Korea
Lee, Hee-Jung; Kang, Hyun-Sil; Jeung, Hee-Do; Hong, Hyun-Ki; Choi, Kwang-Sik.;
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In the present study, we monitored the early development of Saccostrea kegakia subtropical oyster species distributing on rocky intertidal off the northern Jeju Island using scanning electron microscope (SEM). The female oyster collected in early August, 2012 were fully mature exhibiting relatively small eggs ( in diameter) in the gonad, while testis of the mature male oysters were filled with fully developed sperms of 36.9 in length. The fertilized eggs developed into 2-cell stage with polar body after 1 hr 20 min of fertilization, then followed by Morula stage (3 hr 20 min), Blastula stage (4 hr 50 min), Gastrula stage (7 hr), and trochophore larvae stage (9 hr 30 min). The observed early development of S. kegaki in this study was similar the early development of other oysters, although size of the fertilized eggs were somewhat smaller.
Saccostrea kegaki;larval development;embryonic development;SEM;Ostreoid;
 Cited by
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