Korean Journal of Fisheries and Aquatic Sciences (한국수산과학회지)

The Korean Society of Fisheries and Aquatic Science (한국수산과학회)
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Feeding Habits of 6 Shark Species in the Southern Sea of Korea

남해안에 출현하는 상어류 6종의 식성

  • Huh, Sung-Hoi (Department of Oceanography, Pukyong National University) ;
  • Park, Joo-Myun (Korea Inter-University Institute of Ocean Science, Pukyong National University) ;
  • Park, Se-Chang (Laboratory of Aquatic Animal Medicine, College of Veterinary Medicine, Seoul National University) ;
  • Kim, Ji-Hyung (Laboratory of Aquatic Animal Medicine, College of Veterinary Medicine, Seoul National University) ;
  • Baeck, Gun-Wook (Department of Marine Biology & Aquaculture/Institute of Marine Industry, Gyeongsang National University)
  • 허성회 (부경대학교 해양학과) ;
  • 박주면 (부경대학교 해양과학공동연구소) ;
  • 박세창 (서울대학교 수의학과) ;
  • 김지형 (서울대학교 수의학과) ;
  • 백근욱 (경상대학교 해양생명과학과/해양산업연구소)
  • Received : 2010.03.15
  • Accepted : 2010.06.15
  • Published : 2010.06.30
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Abstract

The feeding habits of six shark species, Scyliorhinus torazame, Mustelus manazo, Squalus megalops, Isurus oxyrinchus, Alopias pelagicus, and Carcharhinus plumbeus were studied using the stomach contents of 463 specimens collected between January and February 2007 in the southern sea of Korea. They consumed different prey items. S. torazame preyed mainly crustaceans, and M. manazo on crustaceans and fishes. S. megalops, I. oxyrinchus, A. pelagicus, and C. plumbeus consumed predominately fishes. Non-metric multi-dimensional scaling (NMDS) ordination plots emphasized that dietary similarities separated thesix shark species into three trophic groups based on similarities in percentage Index of Relative Importance (%IRI): Group I (crustacean feeders), Group II (fish and crustacean feeders), and Group III (fish feeders).

Keywords

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