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小型定置網資料에 의한 淺水灣 魚類의 水質에 따른 種組成 및 量的 變動
이태완,석규진,Lee, Tae-Won,Seok, Kyu-Jin 한국해양학회 1984 韓國海洋學會誌 Vol.19 No.2
Fish samples were collected by a trap net during 1981∼82 at the mouth of Cheonsu Bay to determine seasonal fluctuations in abundance and species composition. Examination of a series of trap net catches indicated that trap net data could be used, at least, for a qualitative analyses of a fish community and for a quantitative study of some pelagic fishes of Cheonsu Bay. Of the 64 species collected, a few temporal components predominated in abundance because of great seasonal fluctuations of water temperature. The early spring catch showed a low abundance value, and two cold weather seasonals, juvenile Enedrias fangi and Ammodytes personatus predominated in number and in weight. The number of species, abundance value in number and in biomass showed a peak in late spring when fishes move into bay for spawning and feeding after over-winterinig in the sea. Three pelagic species or warm weather seasonals, Harengula zunasi , Ammodytes personatus and Konosirus punctatus, predominated in abundance values. In this period night catch was significantly larger than day catch in terms of number of species, abundance in number and in weight Summer data showed a marked reduction of the number of species and abundance due to the loss of spawners probably by mortality or wide dipersion after spawning. A slight increase in abundance was observed in autumn by recruitment of the young-of-the-years. This catch was predominated by three juvenile fishes, H. zunasi, E. japonica and K. punctatus, which were the same species as in spring. The autumn catch showed no significant difference between day and night compositions.
남극이빨고기(Dissostichus mawsoni)의 지방산조성
임치원 ( Chi Won Lim ),조현수 ( Hyun Su Jo ),연인자 ( In Jia Yeon ),석규진 ( Kyu Jin Seok ),최석관 ( Seok Gwan Choi ),윤나영 ( Na Young Yoon ),심길보 ( Kill Bo Shim ) 한국수산과학회 2012 한국수산과학회지 Vol.45 No.6
The proximate compositions and fatty acid profiles of Antarctic toothfish Dissostichus mawsoni that was caught in the southern Ross Sea (J, L) of the Antarctic Ocean were studied. The lipid contents of samples from J and L were 18.2 and 21.1%, respectively. The protein and ash contents were similar for samples J and L. The prominent fatty acids in the total lipids of the fish muscle were 18:1n-9, 16:1n-7, 16:0, 14:0, 18:1n-7, 20:5n-3 (eicosapentaenoic acid, EPA), and 22:6n-3 (docosahexaenoic acid, DHA). In addition, the total fatty acids of bycatch products in the toothfish stomachs (Pleuragramma antarcticum, Gerlachea australis, Pasiphaea sp., Trematomus eulepidotus, Chionodraco hamatus, Chionodraco myersi, and Neopagetopsis ionah) were determined. The prominent fatty acids in those species were 18:1n-9, 16:0, 14:0, DHA, EPA, and 18:1n-7.
망둥어의 일종 , Gobiosoma bosci 의 세력권점유 생태(勢力圈占有 生態)
석규진 한국어류학회 1993 韓國魚類學會誌 Vol.5 No.2
망둑어의 일종인 Gobiosoma bosci의 세력권 점유행동을 실험실에서 24시간마다 관찰을 하였다. 각 개체들은 크기나 성별에 관계없이 접근 위협 공격, 그리고 싸우는 세력권을 유지하기 위한 적대행동을 보였다. 실험동물의 체색변화는 실험 기간동안 계속적으로 변하였으며, 점유자와 침입자의 크기가 비슷한 경우 싸우는 시간이 길었으며 체색의 변화가 심하였다. The territorial behavior of the naked goby, Gobiosoma bosci, was observed in 80-liter aquaria. Social behavior was observed for an extended time in daily observation periods. Individuals of G. bosci, regardless of size and sex, exhibited agonistic behavior. The aggresive behaviors of approaching, threatening, attacking, and fighting were recorded as agonistic behavior. All individuals are capable of changing their color and camouflaging themselves by matching the color of bottom. Especially, the resident and the intruder are of the same size, the fighting duration was prolonged and the variability of coloration was at its peak.