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가덕도 주변해역에 출현하는 홍어(Okamejei kenojei)의 식성 KCI 등재

Feeding habits of ocellate spot skate, Okamejei kenojei in the coastal waters of Gadoek-do, Korea

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  • URLhttps://db.koreascholar.com/Article/Detail/327795
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수산해양기술연구 (Journal of the Korean Society of Fisheries and Ocean Technology)
한국수산해양기술학회(구 한국어업기술학회) (The Korean Society of Fisheriers and Ocean Technology)
초록

The feeding habits of Okamejei kenojei were studied using 242 specimens collected from October 2010 to September 2011 in the coastal waters of Gadeok-do, Korea. O. kenojei was carnivorous feeder that consumed mainly shrimps, crabs, and fishes. Its diet also included small quantities of stomatods, cephalopods, amphipods. The size of O. kenojei ranged from 10.4 to 47.4 cm in total length (TL). O. kenojei showed ontogenetic dietary shift. <15.0, 15.0-19.9 cm size classes fed mainly on shrimps and amphipods. 20.0-24.9 cm size class fed mainly shrimps and crabs. Thereafter, shrimps and crabs were decreased with ontogenesis while fishes and cephalopods were increased. Increasing size, the mN/ST were constantly decreased, but mW/ST were constantly increased.

저자
  • 정재묵 | Jae Mook JEONG
  • 김현지 | Hyeon Ji KIM
  • 백근욱 | Gun Wook BAECK
  • 예상진(경상대학교 해양식품생명의학과/해양산업연구소/해양생물교육연구센터) | Sang Jin YE (Department of Seafood &#x0026; Aquaculture Science/Institute of Marine Industry/Marine Bio-Education &#x0026; Research Center, Gyeongsang National University, Tongyeong 650-160, Korea.)
  • 허성회(경상대학교 해양식품생명의학과/해양산업연구소/해양생물교육연구센터) | Sung Hoi HUH (Department of Seafood &#x0026; Aquaculture Science/Institute of Marine Industry/Marine Bio-Education &#x0026; Research Center, Gyeongsang National University, Tongyeong 650-160, Korea.) Corresponding author