Korean Journal of Fisheries and Aquatic Sciences (한국수산과학회지)

The Korean Society of Fisheries and Aquatic Science (한국수산과학회)
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Feeding Habits of Larval Japanese Anchovy Engraulis japonicus in Eastern Jinhae Bay, Korea

진해만 동부해역에 분포하는 멸치(Engraulis japonicus) 자치어의 식성

  • Kim, Hyeon Ji (Department of Seafood and Aquaculture Science/Institute of Marine Industry/Marine Bio-Education and Research Center, Gyeonsang National University) ;
  • Jeong, Jae Mook (Coastal Water Fisheries Resources Research Division, National Institute of Fisheries Science) ;
  • Park, Jong Hyeok (Department of Seafood and Aquaculture Science/Institute of Marine Industry/Marine Bio-Education and Research Center, Gyeonsang National University) ;
  • Baeck, Gun Wook (Department of Seafood and Aquaculture Science/Institute of Marine Industry/Marine Bio-Education and Research Center, Gyeonsang National University)
  • 김현지 (경상대학교 해양식품생명의학과/해양산업연구소) ;
  • 정재묵 (국립수산과학원 연근해자원과) ;
  • 박종혁 (경상대학교 해양식품생명의학과/해양산업연구소) ;
  • 백근욱 (경상대학교 해양식품생명의학과/해양산업연구소)
  • Received : 2016.10.14
  • Accepted : 2017.02.08
  • Published : 2017.02.28
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Abstract

The feeding habits of larval Engraulis japonicas (3.2-11.0 mm SL) were examined based on 414 individuals, collected in October 2010, and from June to September 2011, in the coastal waters of Eastern Jinhae Bay, Korea. E. japonicus, fed mainly on copepods 62.6% IRI and tintinnid were the second-largest dietary component. E. japonicus diet also included small quantities of rotifers, eggs and diatoms. The results of analysis of ontogenetic changes showed that E. japonicus of small size classes (${\leq}4mm$) fed primarily on tintinnids. The dietary percentage of copepods decreased, as fish size increased, and monogeneans became increasingly important as size class increased above 4-6 mm. The highest rate of daily feeding E. japonicusi took place during the day.

Keywords

References

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