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낙동강 하구역에 출현하는 꼼치(Liparis tanakae) 자치어의 식성Feeding Habits of Larval Liparis tanakae from the Nakdong River Estuary, Korea
- Other Titles
- Feeding Habits of Larval Liparis tanakae from the Nakdong River Estuary, Korea
- Issue Date
- 2015
- Publisher
- 한국수산과학회
- Keywords
- Liparis tanakae; Feeding habits; Ontogenetic change; Copepods; Estuary
- Citation
- 한국수산과학회지, v.48, no.3, pp 368 - 376
- Pages
- 9
- Indexed
- KCI
- Journal Title
- 한국수산과학회지
- Volume
- 48
- Number
- 3
- Start Page
- 368
- End Page
- 376
- ISSN
- 0374-8111
- Abstract
- The Feeding habits of larval Liparis tanakae collected from the Nakdong River estuary were studied. L. tanakae [3.8-10.6 mm notochord length(NL)] was a carnivore thatconsumed mainly copepods. Its diet also included small numbers of free-living flatworms (Macrostomida), tintinnids, cladocerans, and polychaetes larvae. To evaluate ontogenetic changes in dietary composition, three size groups were designated: 3-5, 5-7, and >7 mm. Copepods were the most important prey items for all size groups. The smallest size group frequently preyed on polychaete and bivalve larvae, along with copepods. As notochord length increased, the numbers of cladocerans and Macrostomida increased relative to those of polychaete and bivalve larvae.
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