한국수산과학회

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kfas, vol. 54, no. 6, pp.1052-1057, December, 2021
DOI. https://doi.org/10.5657/KFAS.2021.1052

Diet Composition of Common Flying Squid Todarodes pacificus in the
Coastal Waters of East Sea, Korea
한국 동해에 출현하는 살오징어(Todarodes pacificus)의 위내용물 조성

박현솔·진수연·김소라1·김중진1·백근욱*
경상국립대학교 해양생명과학과/양식생명과학과/해양산업연구소/해양생물교육연구센터, 1국립수산과학원 연근해자원과

The diet composition of common flying squid Todarodes pacificus was studied using 1,084 specimens collected
through trawl and jigging from June 2018 to June 2020 in the East Sea of Korea. The mantle length (ML) of the
collected individuals ranged from 13.6 to 31.1 cm. Todarodes pacificus is a carnivore. In the study area, T. pacificus
was observed feeding mainly on fish and cephalopods, in addition to small quantities of crustaceans. The calculated
trophic level value for T. pacificus was 4.10. Small individuals (ML, <18.0 cm) mainly fed on cephalopods, while
intermediate (ML, 18.0-23.0 cm) and large (ML, ≥23.0 cm) individuals fed mainly on fish and occasionally on cephalopods.
Overall, as the body size of T. pacificus increased, the mean weight of the consumed prey increased (one-way
ANOVA, P<0.05).

Keyword : Common flying squid, Todarodes pacificus, Diet composition, East Sea

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