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남해안에 출현하는 상어류 6종의 식성Feeding Habits of 6 Shark Species in the Southern Sea of Korea
- Other Titles
- Feeding Habits of 6 Shark Species in the Southern Sea of Korea
- Issue Date
- 2010
- Publisher
- 한국수산과학회
- Keywords
- Feeding habits; Sharks; NMDS; Southern sea of Korea
- Citation
- 한국수산과학회지, v.43, no.3, pp 254 - 261
- Pages
- 8
- Indexed
- KCI
- Journal Title
- 한국수산과학회지
- Volume
- 43
- Number
- 3
- Start Page
- 254
- End Page
- 261
- ISSN
- 0374-8111
- 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).
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