Korean Journal of Ichthyology (한국어류학회지)

The Ichthyological Society of Korea (한국어류학회)
권호 표지

Feeding Habits of Red Sea Bream, Pagrus major in the Coastal Waters off Busan, Korea

부산 주변 해역에서 출현하는 참돔(Pagrus major)의 식성

  • Huh, Sung-Hoi (Department of Oceanography Pukyong National University) ;
  • Kim, Ha Won (Faculty of Marine Technology, Chonnam National University) ;
  • Baeck, Gun Wook (Faculty of Marine Technology, Chonnam National University)
  • Received : 2006.04.10
  • Accepted : 2006.07.30
  • Published : 2006.09.30
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Abstract

Feeding habits of Pagrus major collected in the coastal waters off Busan from January to December 2004 were studied. P. major ranged form 8.5 to 44.6 cm in standard length. P. major was a carnivore which consumed mainly hermit crabs, amphipods, crabs, shrimps, polychaetes, echinoderms, and fishes. Its diets included small quantities of gastropods, bivalves, stomatopods, cephalopods, cnidarians, and isopods. It showed ontogenetic changes in feeding habits. Small individuals (8~15 cm SL) preyed mainly on shrimps. However, individuals from 15 cm to 25 cm SL preyed mainly on hermit crabs and polychaetes. Individuals over 25 cm SL preyed mainly on fishes and echinoderms.

2004년 1월부터 12월까지 부산 주변해역에서 채집된 참돔의 식성을 조사하였다. 참돔의 체장분포는 8.5~44.6 cm SL의 범위였다. 참돔의 주요 먹이생물은 집게류 (Anomura), 단각류 (Amphipoda), 게류 (Brachyura), 새우류 (Caridea), 갯지렁이류 (Polychaeta), 극피동물 (Echinodermata), 어류(Pisces) 등 매우 다양했다. 그 외, 복족류(Gastropoda), 이매패류(Bivalvia), 갯가재류(Stomatopoda), 두족류(Cephalopoda) 자포동물(Cnidaria), 등각류(Isopoda) 등도 소량 섭이하였다. 참돔은 성장함에 따라 먹이생물 조성에 있어 변화를 보였는데, 체장 8~15 cm SL에서 새우류의 점유율이 높았으며, 15~25 cm SL에서는 집게류와 갯지렁이류의 점유율이 높았다. 그리고 25 cm SL 이상에서는 극피동물류와 어류의 점유율이 높게 나타났다.

Keywords

References

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