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ISSN : 1225-3480

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29권 2호

주사전자현미경 (Scanning Electron Microscope)을 이용한 제주 북부 연안에 서식하는 가시굴 (Saccostrea kegaki Torigoe & Inaba, 1981)의 초기 유생발달관찰

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

이희중 (제주대학교 해양과학대학 해양의생명과학부 해양생명과학전공)
강현실 (제주대학교 해양과학대학 해양의생명과학부 해양생명과학전공)
정희도 (제주대학교 해양과학대학 해양의생명과학부 해양생명과학전공)
홍현기 (제주대학교 해양과학대학 해양의생명과학부 해양생명과학전공)
최광식 (제주대학교 해양과학대학 해양의생명과학부 해양생명과학전공)
한국패류학회지 / The Korean Journal of Malacology, (P)1225-3480;
2013, v.29 no.2, pp.97-103
https://doi.org/10.9710/kjm.2013.29.2.97
이희중, 강현실, 정희도, 홍현기, & 최광식. (2013). 주사전자현미경 (Scanning Electron Microscope)을 이용한 제주 북부 연안에 서식하는 가시굴 (Saccostrea kegaki Torigoe & Inaba, 1981)의 초기 유생발달관찰. , 29(2), 97-103, https://doi.org/10.9710/kjm.2013.29.2.97

Abstract

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 ($46.5{\pm}1.4{\mu}m$ in diameter) in the gonad, while testis of the mature male oysters were filled with fully developed sperms of 36.9 ${\mu}m$ 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.

keywords
Saccostrea kegaki, larval development, embryonic development, SEM, Ostreoid

참고문헌

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