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동해 심해어류, 가시베도라치 (Lumpenella longirostris), 주먹물수배기 (Malacocottus gibber), 청자갈치 (Bothrocara hollan야)의 식성비교

Feeding Comparison of Three Deep-sea Fish, Lumpenella longirostris, Malacocottus gibber and Bothrocara hollandi, in the East Sea

  • 최정화 (국립수산과학원 자원연구과) ;
  • 홍병규 (국립수산과학원 심해연구센타) ;
  • 전영열 (국립수산과학원 동해연구소 어업자원과) ;
  • 김정년 (국립수산과학원 자원연구과) ;
  • 최영민 (국립수산과학원 심해연구센타) ;
  • 유옥환 (한국해양연구원)
  • 투고 : 2009.02.11
  • 심사 : 2009.04.09
  • 발행 : 2009.04.30

초록

The stomach contents of Lumpenella longirostris, Malacocottus gibber and Bothrocara hollandi from the East Sea were examined to determine their feeding ecology. Specimens were caught seasonally from 2004 to 2006. The primary prey items of each species included crustaceans and mollusks. L. longirostris is a benthophage that primarily consumes bottom crustaceans and bivalves. M. gibber and B. hollandi are meso-pelagicphages that primarily consume amphipods and cephalopods. However, the species are opportunistic feeders that exploit the available prey in their habitat. The empty stomach ratio of the species is larger than that of offshore species (e.g. hairtail fish and yellow goose fish), and the prey diversity of the species evaluated in this study was much smaller than that of offshore species.

키워드

참고문헌

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  2. Optimal Enrichment Temperature for Rotifer and Microalgae Selection for Cold-Water Species Culture vol.43, pp.6, 2010, https://doi.org/10.5657/kfas.2010.43.6.654
  3. 동해 심해 생태계의 수심별 종조성 및 계절변동 vol.46, pp.4, 2009, https://doi.org/10.3796/ksft.2010.46.4.376