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동해 포항 연안 문치가자미(Pseudopleuronectes yokohamae)의 성 성숙

Sexual Maturation of the Marbled Flounder Pseudopleuronectes yokohamae off the Coastal Waters of Pohang in the East Sea, Korea

  • 최해영 (국립수산과학원 남해수산연구소) ;
  • 정경미 (국립수산과학원 연근해자원과) ;
  • 박정호 (국립수산과학원 원양자원과) ;
  • 문성용 (국립수산과학원 남해수산연구소) ;
  • 성기창 (국립수산과학원 동해수산연구소) ;
  • 백근욱 (경상국립대학교 해양과학대학 해양생명과학과)
  • Haeyoung Choi (South Sea Fisheries Research Institute, National Institute of Fisheries Science) ;
  • Kyung Mi Jeong (Fisheries Resources Research Divisions, National Institute of Fisheries Science) ;
  • Jeong-Ho Park (Distant Water Fisheries Resources Division, National Institute of Fisheries Science) ;
  • Seong Yong Moon (South Sea Fisheries Research Institute, National Institute of Fisheries Science) ;
  • Gi Chang Seong (East Sea Fisheries Research Institute, National Institute of Fisheries Science) ;
  • Gun Wook Baeck (Department of Marine Biology and Aquaculture, College of Marine Science, Gyeongsang National University)
  • 투고 : 2024.06.03
  • 심사 : 2024.07.16
  • 발행 : 2024.08.31

초록

This study investigated the sexual maturation of the marbled flounder Pseudopleuronectes yokohamae, a commercially important flatfish species, through monthly sampling from the coastal waters of Pohang in the East Sea of Korea in 2022. We analyzed monthly changes in total length (TL), gonadosomatic index, maturity stage, and 50%, 75%, and 97.5% group maturity based on visual assessments and histological analysis of the gonads. The spawning period was determined to be from December to May. The TL at 50% maturity was 26.4 cm for females and 24.8 cm for males. These findings provide a basis for developing resource management strategies for Pleuronectidae.

키워드

과제정보

본 연구는 2024년 국립수산과학원(연구사업 R2024010, P2024032)에 의해 수행되었습니다.

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