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Feeding habits of yellowfin goby, Acanthogobius flavimanus in the tidal flat of Sangnae-ri, Suncheon, Korea

순천 상내리 갯벌역에 출현하는 문절망둑 (Acanthogobius flavimanus)의 식성

  • PARK, Jong-Hyeok (Department of Seafood & Aquaculture Science/Institute of Marine Industry/Marine Bio-Education & Research Center, Gyeongsang National University) ;
  • JEONG, Jae-Mook (Coastal Water Fisheries Resources Research Division, National Institute of Fisheries Science) ;
  • KIM, Hyeon-Ji (Department of Seafood & Aquaculture Science/Institute of Marine Industry/Marine Bio-Education & Research Center, Gyeongsang National University) ;
  • YE, Sang-Jin (Resources Enhancement Division, Korea Fisheries Resources Agency) ;
  • BAECK, Gun-Wook (Department of Seafood & Aquaculture Science/Institute of Marine Industry/Marine Bio-Education & Research Center, Gyeongsang National University)
  • 박종혁 (경상대학교 해양식품생명의학과, 해양산업연구소, 해양생물교육연구센터) ;
  • 정재묵 (국립수산과학원 연근해자원과) ;
  • 김현지 (경상대학교 해양식품생명의학과, 해양산업연구소, 해양생물교육연구센터) ;
  • 예상진 (한국수산자원관리공단 자원조성실) ;
  • 백근욱 (경상대학교 해양식품생명의학과, 해양산업연구소, 해양생물교육연구센터)
  • Received : 2016.02.15
  • Accepted : 2016.05.26
  • Published : 2016.05.31

Abstract

The feeding habits of yellowfin goby (Acanthogobius flavimanus) were studied based on the examination of stomach contents of 171 specimens collected from September 2013 to August 2014 in the tidal flat of Sangnae-ri, Suncheon, Korea. The size of A. flavimanus ranged from 10.6 to 18.3 cm in standard length (SL). A. flavimanus mainly consumed amphipods (especially Corophium sp.). Its diet also included shrimps, crabs, fishes and polychaetes. Ontogenetic changes in diet composition of A. flavimanus were evident. The portion of amphipods and polychaetes was inversely proprotional to the increase in fish size whereas it was directly proportional to the increase in the consumption of shrimps and crabs increased.

Keywords

Acanthogobius flavimanus;Feeding habits;Ontogenetic change;Tidal flat

Acknowledgement

Supported by : 한국연구재단

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