한국수산과학회

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kfas, vol. 54, no. 5, pp.808-813, October, 2021
DOI. https://doi.org/10.5657/KFAS.2021.0808

Diet Composition of Spanish Mackerel Scomberomorus niphonius, in the
South Sea of Korea
한국 남해에 출현하는 삼치(Scomberomorus niphonius)의 위내용물 조성

이주은·성기창·김희용1·문성용1·백근욱*
경상국립대학교 해양생명과학과/양식생명과학과/해양산업연구소/해양생물교육연구센터, 1국립수산과학원 남해수산연구소

The diet composition of Spanish mackerel Scomberomorus niphonius, was investigated using 853 specimens collected
using two-boat trawl, stow net, gill net and set net from January to December 2019 from the South Sea of Korea.
The size of the specimens ranged from 25.2 to 114.8 cm in fork length. S. niphonius fed mostly on fishes. Its diets also
included small quantities of shrimps, cephalopods, crabs, stomatopods, etc. Among them, Engraulis japonicus was
the dominant species. The dietary composition of S. niphonius exhibited significant differences based on their size.
The proportion of Trichiurus japonicus increased as body size of S. niphonius increased, whereas the proportion of E.
japonicus decreased gradually. As the body size of S. niphonius increased, the mean weight of prey per the stomach
(mW/ST) tended to increase significantly (one-way ANOVA, P<0.05).

Keyword : Spanish marckerel, Scomberomorus niphonius, South Sea, Diet composition, Stomach contents

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