Feeding habits of juvenile Chaenogobius annularis in an eelgrass bed in the coastal water of Geoje, Korea

경남 거제 연안 잘피밭에 출현하는 점망둑 (Chaenogobius annularis) 치어의 식성

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


The feeding habits of juvenile Chaenogobius annularis were examined based on gut content analysis of 281 individuals, collected from May to June 2011 in the coastal water of Geoje, Korea. Copepods were the main source of food for C. annularis, which constituted 61.6% in IRI. Barnacle larvae was the second largest dietary component. Graphical analysis of the diet composition showed that C. annularis was a specialized predator characterized by strong individual feeding specialization. Both small and large size class of C. annularis mainly consumed harpacticoida and cirripedia cypris.


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