한국어류학회지 (Korean Journal of Ichthyology)

  • 제31권2호
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  • Pages.77-82
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  • 2019
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  • 1225-8598(pISSN)
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  • 2288-3371(eISSN)
한국어류학회 (The Ichthyological Society of Korea)
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우리나라 서해에서 출현하는 대구 (Gadus macrocephalus)의 식성

Feeding Habits of Pacific cod (Gadus macrocephalus) in the West Coast of Yellow Sea of Korea

  • 최동혁 (국립수산과학원 서해수산연구소 자원환경과) ;
  • 손명호 (국립수산과학원 서해수산연구소 자원환경과) ;
  • 김맹진 (국립수산과학원 서해수산연구소 자원환경과) ;
  • 이승종 (국립수산과학원 서해수산연구소 자원환경과)
  • Choi, Dong-Hyek (Fisheries Resources and Environment Division, West Sea Fisheries Research Institute, National Institute of Fisheries Science) ;
  • Sohn, Myoung-Ho (Fisheries Resources and Environment Division, West Sea Fisheries Research Institute, National Institute of Fisheries Science) ;
  • Kim, Maeng Jin (Fisheries Resources and Environment Division, West Sea Fisheries Research Institute, National Institute of Fisheries Science) ;
  • Lee, Seung-Jong (Fisheries Resources and Environment Division, West Sea Fisheries Research Institute, National Institute of Fisheries Science)
  • 투고 : 2019.05.17
  • 심사 : 2019.06.26
  • 발행 : 2019.06.30
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초록

2017년 7월부터 2018년 6월까지 서해연안에서 채집된 대구 407개체의 위내용물 조성을 조사하였다. 대구의 전장은 30.4~86.0 cm의 범위를 보였으며, 어류가 가장 우점한 먹이생물 분류군으로 나타났다. 어류 다음으로 새우류가 우점하였고 이 가운데 마루자주새우가 큰 비중을 차지하였다. 그 외 집게류, 바다곤쟁이류, 두족류 등이 낮은 비율로 섭식되었다. 전장 40 cm 이하의 대구에서는 새우류의 비율은 높게 나타난 반면 그 이상의 전장에서는 새우류의 섭식비율보다 어류의 섭식비율이 높게 나타났다. 그리고 계절별, 분류군별 비율은 춘계, 추계 및 동계에서는 어류의 비율이 높고 하계에서는 새우류의 비율이 높게 나타났다.

The feeding habits of pacific cod (Gadus macrocephalus) were studied by analyses of stomach contents. Specimens of G. macrocephalus (n=407) were collected from the western coastal waters of Korea, monthly from July 2017 to June 2018. The size of G. macrocephalus ranged from 30.4 to 86.0 cm in total length (TL). G. macrocephalus was consumed mainly Pisces (71.5%) and Caridea (24.2%) based on % IRI, whereas other prey items including, Paguroidea, Euphausiacea and Cephalopods showed a low contribution to the diet. The feeding ratio of Caridea decreased with increasing fish size. While this decrease paralleled the increased consumption of fish preys. The feeding ratios of Pisces were the highest during spring, autumn and winter, whereas the proportion of Caridea was higher in summer.

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참고문헌

  1. Baeck, G.W., S.H. Huh, J.M. Park and S.C. Park. 2007. Feeding habits of Pacific cod (Gadus macrocephalus) in the coastal waters off Gadeok-do, Korea. Korean J. Ichthyol., 19: 318-323.
  2. Bakkala, R.G., S. Westrheim, S. Mishima, C. Zhang and E. Brown. 1984. Distribution of Pacific cod (Gadus macrocephalus) in the North Pacific Ocean. INPFC Bull., 42: 111-115.
  3. Gwak, W.S. and K. Nakayama. 2011. Genetic variation and population structure of the Pacific cod Gadus macrocephalus in Kroean waters revealed by mtDNA and msDNA markers. Fish. Sci., 77: 945-952. https://doi.org/10.1007/s12562-011-0403-2
  4. Hong, S.Y., K.Y. Park, C.W. Park, C.H. Han, H.L. Suh, S.G. Yun, C.B. Song, S.G. Jo, H.S. Lim, Y.S. Kang, D.J. Kim, C.W. Ma, M.H. Som, H.K. Cha, K.B. Kim, J.H. Choi, M.H. Kim and I.Y. Choi. 2006. Marime Invertebates in Korean Coasts. Academy Press, 487pp.
  5. Kim, I.S., Y. Choi, C.L. Lee, T.J. Lee, B.J. Kim and J.H. Kim. 2005. Illustrated book of Korean fishes. Kyo-Hak Publishing Co., Ltd., Seoul, 615pp.
  6. Lee, J.H., J.N. Kim, J. Park, T. Park and K.M. Nam. 2015. Feeding habits of the Pacific cod Gadus macrocephalus in Southeast Sea of Korea. Korean J. Ichthyol., 27: 142-148.
  7. Min, D.K., J.S. Lee, D.B. Koh and J.G. Je. 2004. Mollusks in Korea. Han-guel Publishing Co., Ltd, ISBN 89-89334-12-8, 566pp.
  8. Moiseev, P.A. 1953. Cod and flounders of far eastern seas. Izvestiia Tikhookeanskoco N.-I. Inst. Rybnovo Khoziaistva I Okeanografii, 40: 1-287.
  9. Park, B.H. 1965. On the race of cods (Gadus macrocephalus) between Yellow Sea and Chinhae Bay of Korea. Fish. Res. Dev. Agency, 6: 197-115.
  10. Park, C.Y. and W.S. Gwak. 2009. Comparison of stomach contents of Pacific cod (Gadus macrocephalus) in Korean coastal waters. Korean J. Ichthyol., 21: 28-37.
  11. Pinkas, L., M.S. Oliphant and I.L.K. Iverson. 1971. Food habits of albacore, bluefin tuna and bonito in California water. Fish Bull., 152: 1-105.
  12. Uchida, K. 1936. On the Pacific cod of adjacent waters to Korea. Chousen no Suisan., 130: 24-39.
  13. Westrheim, S.J. 1996. On the Pacific cod (Gadus macrocephalus) in British Columbia waters, and a comparison with Pacific cod elsewhere, and Atlantic cod (G. morhua). Can. Tech. Res. Fish. Aquat. Sci., 2092, 390pp.
  14. Yoon, S.C., J.H. Park, Y.M. Choi, J.H. Park and D.W. Lee. 2012. Feeding habits of the Pacific cod (Gadus macrocephalus) in the Coastal Waters off Jumunjin, Gangwondo of Korea. Korean J. Fish. Aquat. Sci., 45: 379-386. https://doi.org/10.5657/KFAS.2012.0379