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タイトル: 長崎県大瀬戸町柳浜においてヒラメ着底仔稚魚を捕食する魚類の食性
その他のタイトル: Feeding Habit of Fishes Eating Settled Larval and Juvenile Japanese Flounder (Paralichthys olivaceus) at Yanagihama Beach, Nagasaki Prefecture
著者: 乃一, 哲久 / 草野, 誠 / 植木, 大輔 / 千田, 哲資
著者(別表記) : Noichi, Tetsuhisa / Kusano, Makoto / Ueki, Daisuke / Senta, Tetsushi
発行日: 1993年 2月
出版者: 長崎大学水産学部
引用: 長崎大学水産学部研究報告, v.73, pp.1-6; 1993
抄録: Feeding habit of fishes conccurring with larval and juvenile Japanese flounder which settled along Yanagihama Beach near Nagasaki was studied. Of 10 species having taken some fish, nine were found to have eaten Japanese flounder. Fishes which live near or close to the sea bed and have relatively wider mouth, such as Trachinocephalus myops, Pseudoblennius percoides, Chelidonichthys spinosus and Paralichthys olivaceus, were considered to be serious predators for Japanese flounder. Aquarium observation showed that juvenile Japanese flounders were attacked by a predator mostly when they swam up from bottom to take food. This may explain why a high incidence of predation temporarily coincided with the high feeding activity of Japanese flounder at Yanagihama Beach.
キーワード: ヒラメ / Paralichthys olivaceus / 捕食者 / predator / 食性 / feeding habit
URI: http://hdl.handle.net/10069/29842
ISSN: 05471427
資料タイプ: Departmental Bulletin Paper
原稿種類: publisher

引用URI : http://hdl.handle.net/10069/29842



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