한국수산과학회지 (Korean Journal of Fisheries and Aquatic Sciences)

  • 제41권2호
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  • Pages.119-124
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  • 2008
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  • 0374-8111(pISSN)
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  • 2287-8815(eISSN)
한국수산과학회 (The Korean Society of Fisheries and Aquatic Science)
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한국 동해안 대게 Chionoecetes opilio의 생식소 성숙과 산란

Maturation of Reproductive Organs and Spawning of the Snow Crab Chionoecetes opilio from the East Sea of Korea

  • 전영열 (국립수산과학원 심해연구센터) ;
  • 홍병규 (국립수산과학원 심해연구센터) ;
  • 황강석 (국립수산과학원 심해연구센터) ;
  • 차형기 (국립수산과학원 동해수산과학원) ;
  • 이성일 (국립수산과학원 동해수산과학원) ;
  • 황선재 (국립수산과학원 해외자원팀)
  • 발행 : 2008.04.30
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초록

Reproductive ecology of the snow crab Chionoecetes opilio was investigated in terms of the reproductive organs, abdominal flap, fecundity, and maturity. Specimens were collected with gill nets and trawls from June 2002 to May 2003 in the eastern waters of Korea. The female and male C. opilio are distinguished only by the shape of the abdominal flap, which is triangular in males and circular in females. The gonads of female and male crabs are generally X-shaped. The male gonad is white, while the female gonad appears milk-white after spawning and then turns from light orange to dark orange with maturation. The female gonads matured from June, and mature and immature groups could be distinguished from December to February or March. Brooding eggs changed from bright orange to dark brown with formation of the compound eye immediately before hatching. Accordingly, the main spawning season is February and March. The minimum maturity carapace width of female crabs was 61.1 mm, and the mean fecundity is about 108,300 eggs.

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참고문헌

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피인용 문헌

  1. Winter Occurrence Pattern of Chionoecetes opilio around Wangdol Reef in the East Sea near Uljin vol.43, pp.6, 2010, https://doi.org/10.5657/kfas.2010.43.6.670
  2. 동해 트롤 조사에서 어획된 저서생물의 종조성 및 양적변동 vol.44, pp.4, 2008, https://doi.org/10.3796/ksft.2008.44.4.323
  3. 동해 심해 생태계의 수심별 종조성 및 계절변동 vol.46, pp.4, 2008, https://doi.org/10.3796/ksft.2010.46.4.376
  4. Genetic Evidence for Natural Hybridization Between Red Snow Crab (Chionoecetes japonicus) and Snow Crab (Chionoecetes opilio) in Korea vol.31, pp.1, 2008, https://doi.org/10.2983/035.031.0106
  5. Population genetic analysis and origin discrimination of snow crab (Chionoecetes opilio) using microsatellite markers vol.40, pp.10, 2008, https://doi.org/10.1007/s11033-013-2658-4