Korean Journal of Fisheries and Aquatic Sciences (한국수산과학회지)

The Korean Society of Fisheries and Aquatic Science (한국수산과학회)
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Feeding Habits of Paralichthys olivaceus in the Uljin Marine Ranching Area

동해 울진바다목장에 서식하는 넙치(Paralichthys olivaceus)의 식성

  • Choi, Jung-Hwa (Fisheries Resources Management Division, National Fisheries Research & Development Institute) ;
  • Yoon, Sang-Cheoul (Fisheries Resources and Environmental Division, East Sea Fisheries Research Institute) ;
  • Lee, Sung-Il (Fisheries Resources Management Division, National Fisheries Research & Development Institute) ;
  • Kim, Jong-Bin (External Research Cooperation Division, National Fisheries Research & Development Institute) ;
  • Kim, Hye-Rim (Fisheries Resources Management Division, National Fisheries Research & Development Institute)
  • 최정화 (국립수산과학원 자원관리과) ;
  • 윤상철 (국립수산과학원 동해수산연구소 자원환경과) ;
  • 이성일 (국립수산과학원 자원관리과) ;
  • 김종빈 (국립수산과학원 대외협력과) ;
  • 김혜림 (국립수산과학원 자원관리과)
  • Received : 2011.06.30
  • Accepted : 2011.12.07
  • Published : 2011.12.30
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Abstract

The feeding habits of Paralichthys olivaceus in the Uljin marine ranching area, located on the mid-eastern coast of Korea, were studied from January to November 2009. In total, 381 specimens were collected; fish ranged in size from 15.4 to 59.0 cm in total length. P. olivaceus is a carnivore, mainly consuming other fishes and crustaceans. The prey items of P. olivaceus changed ontogenetically. Small individuals fed on decapod crustaceans while large ones fed heavily on other fishes. The diet of P. olivaceus varied seasonally. Fish comprised the main prey items throughout the year. The stomach contents index (SCI) of each size class increased and the dietary breadth index (DBI) of each size class decreased as individuals grew.

Keywords

References

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