한국어류학회지 (Korean Journal of Ichthyology)

  • 제29권2호
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  • Pages.109-116
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  • 2017
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  • 1225-8598(pISSN)
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  • 2288-3371(eISSN)
한국어류학회 (The Ichthyological Society of Korea)
권호 표지

한국 서남해 민어(Miichthys miiuy)의 성숙과 산란

Maturity and Spawning of Brown croaker Miichthys miiuy in the South-western Water of Korea

  • 이승환 (국립수산과학원 남해수산연구소 자원환경과) ;
  • 정상덕 (국립수산과학원 남해수산연구소 자원환경과) ;
  • 김영혜 (국립수산과학원 남해수산연구소 자원환경과) ;
  • 유준택 (국립수산과학원 남해수산연구소 자원환경과)
  • Lee, Seung Hwan (Fisheries Resources and Environment Division, South Sea Fisheries Research Institute, National Institute of Fisheries Science) ;
  • Chung, Sangdeok (Fisheries Resources and Environment Division, South Sea Fisheries Research Institute, National Institute of Fisheries Science) ;
  • Kim, Yeong Hye (Fisheries Resources and Environment Division, South Sea Fisheries Research Institute, National Institute of Fisheries Science) ;
  • Yoo, Joon Taek (Fisheries Resources and Environment Division, South Sea Fisheries Research Institute, National Institute of Fisheries Science)
  • 투고 : 2017.03.02
  • 심사 : 2017.06.09
  • 발행 : 2017.06.30
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초록

본 연구는 우리나라 주요 수산자원 중 하나인 민어의 성숙과 산란을 추정하였다. 연구에 사용된 민어는 2015년 8월부터 2016년 12월까지 우리나라 서해 남부 연안에서 안강망으로 어획되어 양육된 것으로 총 453개체 중, 암컷 229개체, 수컷 211개체를 사용하였다. 성숙도와 생식소숙도지수의 월 변화 결과 민어의 산란기는 8~10월, 주산란기는 9월로 추정되었다. 50% 이상 개체가 생식 가능한 군성숙도를 살펴본 결과 암컷의 군성숙전장은 54.8 cm, 수컷은 49.0 cm로 조사되었다.

We investigated maturation and spawning of Miichthys miiuy in the south-western water of Korea, based on samples collected by stow net from August 2015 to December 2016. We analysed monthly changes in maturity stage, gonadosomatic index (GSI), total length (TL) at 50% group maturity. The spawning period was August to October. We estimated the TL at 50% group maturity as 54.8 cm for females and 49.0 cm for males.

키워드

참고문헌

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