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Preliminary Study of Seed Production of the Micronesian Mud Crab Scylla serrata (Crustacea: Portunidae) in Korea
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  • Preliminary Study of Seed Production of the Micronesian Mud Crab Scylla serrata (Crustacea: Portunidae) in Korea
  • Preliminary Study of Seed Production of the Micronesian Mud Crab Scylla serrata (Crustacea: Portunidae) in Korea
저자명
Yi. Soon-Kil,Lee. So-Gwang,Lee. Jeong-Mee
간행물명
Ocean and polar research
권/호정보
2009년|31권 3호|pp.257-264 (8 pages)
발행정보
한국해양연구원
파일정보
정기간행물|ENG|
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

Seventeen females of the mud crab Scylla serrata, from the State of Kosrae, Micronesia, were transported to the Fisheries Resources Research Institute, Gyeongsangnam-do, in oxygen-filled plastic bags. After acclimatization to a $30^{circ}C$ holding temperature, nine females were selected for seed production trials. Spawning was hastened using eyestalk ablations; however, this may not be required in commercialscale mud crab seed production. Primary spawning produced an average of 2.4 million hatched larvae, whereas secondary spawning produced 0.4 million. About 10 days elapsed between spawning and hatching and 30 days between hatching and crablet. Mass mortalities up to 90% were observed between stages zoea 1 and zoea 2 in every trial. The highest survival rate from zoea 1 to crablet was estimated at 0.25%. Most commercial shrimp hatcheries in Korea are equipped with almost all necessary facilities and could be converted easily to mud crab hatcheries, able to run three to four times per year using hatchery technologies developed for blue crabs and Chinese mitten crabs.