Korean Journal of Ichthyology (한국어류학회지)

The Ichthyological Society of Korea (한국어류학회)
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Feeding Habits of the Armoured Cusk, Hoplobrotula armata in the South Sea, Korea

남해에 출현하는 붉은메기(Hoplobrotula armata)의 식성

  • Do-Yeon Park (Department of Marine Biology and Aquaculture Science/Department of Aquaculture Science/Institute of Marine Industry/Marine Bio-Education & Research Center, College of Marine Science, Gyeongsang National University) ;
  • Suyeon Jin (Department of Marine Biology and Aquaculture Science/Department of Aquaculture Science/Institute of Marine Industry/Marine Bio-Education & Research Center, College of Marine Science, Gyeongsang National University) ;
  • Jae Mook Jeong (Fisheries Resources Research Center, National Institute of Fisheries Science) ;
  • Jeong Hoon Lee (Fisheries Resources Research Center, National Institute of Fisheries Science) ;
  • Gun Wook Baeck (Department of Marine Biology and Aquaculture Science/Department of Aquaculture Science/Institute of Marine Industry/Marine Bio-Education & Research Center, College of Marine Science, Gyeongsang National University)
  • 박도연 (경상국립대학교 해양생명과학과/양식생명과학과/해양산업연구소/해양생물교육연구센터) ;
  • 진수연 (경상국립대학교 해양생명과학과/양식생명과학과/해양산업연구소/해양생물교육연구센터) ;
  • 정재묵 (국립수산과학원 수산자원연구센터) ;
  • 이정훈 (국립수산과학원 수산자원연구센터) ;
  • 백근욱 (경상국립대학교 해양생명과학과/양식생명과학과/해양산업연구소/해양생물교육연구센터)
  • Received : 2023.05.09
  • Accepted : 2023.07.03
  • Published : 2023.08.31
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Abstract

As a result of analyzing 469 Armoured cusk, Hoplobrotula armata, the range of total length was 10.5~63.5 cm and average total length was 30.3 cm. Using the IRI, shrimps were mainly prey component constituted 63.6%, followed by fishes, crabs, anomurans. The result of analysis in ontogenetic changes, shrimps were the most dominant prey in all size groups except for the ≥40.0 cm size group, and fishes were the most dominant prey in the size group of ≥40.0 cm. When the mean number of prey per stomach (mN/ST) and the mean weight of prey per stomach (mW/ST) were analyzed, mN/ST showed a significant difference (one-way ANOVA, P<0.05), but mW/ST did not (one-way ANOVA, P>0.05).

붉은메기 469개체를 분석한 결과, 전장은 10.5~63.5 cm의 범위를 보였고, 평균 전장은 30.3 cm로 나타났다. 붉은메기의 가장 우점하는 먹이생물은 63.6%의 상대중요도지수비를 차지한 새우류였으며, 다음으로는 어류, 게류, 집게류가 우점하였다. 크기군별 먹이생물 조성의 변화를 살펴본 결과, ≥40.0 cm 크기군을 제외한 모든 크기군에서 가장 우점하는 먹이생물은 새우류였으며, ≥40.0 cm 크기군에서는 어류였다. 크기군별 개체당 평균 먹이생물의 개체수와 개체당 평균 먹이생물의 중량의 경우, 개체당 평균 먹이생물 개체수는 유의한 차이를 보였으나(one-way ANOVA, P<0.05), 개체당 평균 먹이생물의 중량은 유의하지 않았다(one-way ANOVA, P>0.05).

Keywords

Acknowledgement

이 논문은 2023년도 국립수산과학원 수산과학연구사업(R2023001)의 지원으로 수행된 연구입니다.

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