Korean Journal of Fisheries and Aquatic Sciences (한국수산과학회지)

The Korean Society of Fisheries and Aquatic Science (한국수산과학회)
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Feeding Habits of Sebastes thompsoni in the Coastal Waters off Busan, Korea

부산 주변 해역에서 채집된 불볼락(Sebastes thompsoni)의 식성

  • Huh, Sung-Hoi (Department of Oceanography, Pukyong National University) ;
  • Nam, Ki-Mun (Department of Oceanography, Pukyong National University) ;
  • Choo, Hyun-Gi (Korea Ocean & Fisheries Institute) ;
  • Baeck, Gun-Wook (Faculty of Marine Technology, Chonnam National University)
  • 허성회 (부경대학교 해양학과) ;
  • 남기문 (부경대학교 해양학과) ;
  • 추현기 (한국해양수산기술연구소) ;
  • 백근욱 (전남대학교 해양기술학부)
  • Published : 2008.02.29
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Abstract

We studied the feeding habits of Sebastes thompsoni based on 421 specimens obtained in monthly collections between January and December 2005 in the coastal waters off Busan, Korea. S. thompsoni was a crustacean feeder, and consumed mainly shrimp and euphausiids. Its diet also included small quantities of amphipods, cephalopods, and fish. It showed distinct ontogenetic changes in feeding habits. Smaller individuals (14-17 cm standard length (SL)), mainly consumed euphausiids. The portion of these prey items decreased with increasing fish size, and larger individuals (>20 cm SL) consumed mainly shrimp such as Leptochela sydniensis.

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References

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