Age and growth of Pacific saury Cololabis saira (Brevoort) in the western North Pacific Ocean estimated from daily otolith growth increments

Suyama, Satoshi; Sakurai, Yasunori; Shimazaki, Kenji

Fisheries Science, 1996, 62(1), 1-7

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アクセス権
open access
URI
https://hdl.handle.net/2115/35566
タイトル
Age and growth of Pacific saury Cololabis saira (Brevoort) in the western North Pacific Ocean estimated from daily otolith growth increments
著者
Suyama, Satoshi ; Sakurai, Yasunori ; Shimazaki, Kenji
著者名
Suyama, Satoshi
e-Rad_Researcher
30196133
著者名
Sakurai, Yasunori
著者名
Shimazaki, Kenji
言語
英語
キーワード
Pacific saury
otolith
age determination
daily growth increment
hyaline zone
発行日
1996
出版者
The Japanese Society of Scientific Fisheries
収録物名
Fisheries Science
巻(号)
62(1)
ページ
1-7
抄録
Growth of Pacific saury Cololabis saira (Brevoort) inhabiting the western North Pacific wasstudied based on counting daily growth increments with a scanning electron microscope (SEM). The small-size group (knob length: 200-240mm), medium-size group (knob length: 240-280mm) and largesize group (knob length: >280mm) showed increments of 256±26.0 (S. D.), 405±76.1 and 566±48.2, respectively. Based on daily growth increment formation, we determined that the ages of the 3 groups were about 8, 13, and 19 months. Small- and large-size fish were considered tohave been hatched from autumn to winter, and medium-size fish from spring to summer. The oldest specimen of Pacific saury examined in this study was about 23 months of age; thus, the lifespan of Pacific saury in this area seems to be at least 1.5 years.
資源タイプ
学術雑誌論文
出版タイプ
Version of Record
権利情報
© 1996 公益社団法人日本水産学会
© 1996 The Japanese Society of Fisheries Science
PISSN
0919-9268
NCID
AA10993718
関連情報 (isIdenticalTo)
出版社版DOI
https://doi.org/10.2331/fishsci.62.1