Korean Journal of Ichthyology (한국어류학회지)

The Ichthyological Society of Korea (한국어류학회)
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Feeding Habits of the Marbled Flounder, Peluronectes yokohamae in the Coastal Waters off Tongyeong, Korea

통영주변해역에 서식하는 문치가자미(Pleuronectes yokohamae)의 식성

  • Huh, Sung-Hoi (Department of Oceanography, Pukyong National University) ;
  • Nam, Ki-Mun (Department of Oceanography, Pukyong National University) ;
  • Park, Joo-Myun (Division of Marine Technology, Chonnam National University) ;
  • Jeong, Jae-Mook (Department of Marine Biology & Aquaculture, College of Marine Science, Gyeongsang National University) ;
  • Baeck, Gun-Wook (Department of Marine Biology & Aquaculture, College of Marine Science, Gyeongsang National University)
  • 허성회 (부경대학교 해양학과) ;
  • 남기문 (부경대학교 해양학과) ;
  • 박주면 (전남대학교 해양기술학부) ;
  • 정재묵 (경상대학교 해양생명과학과) ;
  • 백근욱 (경상대학교 해양생명과학과)
  • Received : 2012.04.25
  • Accepted : 2012.06.26
  • Published : 2012.06.30
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Abstract

The feeding habits of the marbled flounder Pleuronectes yokohamae were studied using 395 specimens collected from January to December, 2010, in the coastal waters off Tongyeong, Korea. The size of P. yokohamae ranged from 10.5 to 38.8 cm in standard length (SL). P. yokohamae is a bottom-feeding carnivore that consumes mainly bivalves, amphipods and polychaetes. Its diet also includes small quantities nemertians, anthozoan, isopods, copepods, tanaidacean, shrimps, crabs and ophiuroids. Our feeding-strategy graphical method reveled that P. yokohamae was a generalized feeder, with a wide niche width. P. yokohamae mainly consumed bivalves, amphipods and polychaetes, and did not show significant ontogenetic changes in feeding habit without size over 22 cm. Prey size did not increase significantly as growing fish size.

통영주변해역에서 2010년 1월부터 12월까지 문치가자미 395개체를 채집하여 위내용물을 분석하였다. 채집된 개체는 표준체장 10.5~38.8 cm의 체장범위를 나타내었다. 문치가자미는 저서성 육식어류로써 주로 이매패류, 단각류, 갯지렁이류를 섭식하였고, 그 외 약간의 유형동물류, 산호충류, 등각류, 요각류, 주걱벌레붙이류, 새우류, 게류, 거미불가사리류를 섭식하였다. 문치가자미는 generalized feeder의 섭식전략을 나타냈고, 체장이 커짐에 따른 주 먹이생물의 변화는 나타내지 않았으며, 먹이생물의 크기변화는 나타나지 않았다.

Keywords

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