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Title: 噴火湾とその沖合におけるアカガレイ卵・稚仔の分布と食性
Other Titles: Distribution and Food Habits of Eggs and Larvae of Hippoglossoides dubius in Funka Bay and Its Offshore Waters, Hokkaido
Authors: 宮本, 孝則1 Browse this author
高津, 哲也2 Browse this author →KAKEN DB
中谷, 敏邦3 Browse this author →KAKEN DB
前田, 辰昭4 Browse this author →KAKEN DB
高橋, 豊美5 Browse this author →KAKEN DB
Authors(alt): Miyamoto, Takanori1
Takatsu, Tetsuya2
Nakatani, Toshikuni3
Maeda, Tatsuaki4
Takahashi, Toyomi5
Issue Date: Feb-1993
Publisher: 水産海洋学会
Journal Title: 水産海洋研究
Journal Title(alt): Bulletin of the Japanese Society of Fisheries Oceanography
Volume: 57
Issue: 1
Start Page: 1
End Page: 14
Abstract: Eggs, larvae, and juveniles of Hippoglossoides dubius were collected in Funka Bay and vicinity, Hokkaido, in 1989 and 1990. Distributions of the eggs of early developmental stages showed that the eggs ware spawned in the inner area of the bay. Before the exhaustion of their yolk, larvae initiated feeding on copepod nauplii, diatom, and invertebrate eggs. The proportion of copepod nauplii in the stomachs increased with growth. Juveniles fed on large sized plankton such as copepodids, larval euphausiids, and appendicularia. Copepod nauplii, the principal food for the larvae at the early developmental stages, increased in the bay after the invasion of the Oyashio Water. It is inferred that the mortality of Hippoglossoides dubius during the early life stages would be closely related of the movement of the Oyashio Water.
Type: article
Appears in Collections:水産科学院・水産科学研究院 (Graduate School of Fisheries Sciences / Faculty of Fisheries Sciences) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 高橋 豊美

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