Growth and maturation of Pacific saury Cololabis saira under laboratory conditions

Nakaya, Mitsuhiro; Morioka, Taizo; Fukunaga, Kyouhei; Murakami, Naoto; Ichikawa, Takashi; Sekiya, Sachio; Suyama, Satoshi

Growth and maturation of Pacific saury Cololabis saira under laboratory conditions

Nakaya, Mitsuhiro; Morioka, Taizo; Fukunaga, Kyouhei et al.

Fisheries Science, 2010, 76(1), 45-53

Permalink : https://hdl.handle.net/2115/74498

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アクセス権	open access
URI	https://hdl.handle.net/2115/74498
タイトル	Growth and maturation of Pacific saury Cololabis saira under laboratory conditions
著者	Nakaya, Mitsuhiro ; Morioka, Taizo ; Fukunaga, Kyouhei ; Murakami, Naoto ; Ichikawa, Takashi ; Sekiya, Sachio ; Suyama, Satoshi
e-Rad_Researcher 80604313 著者名 Nakaya, Mitsuhiro
著者名 Morioka, Taizo
著者名 Fukunaga, Kyouhei
著者名 Murakami, Naoto
著者名 Ichikawa, Takashi
著者名 Sekiya, Sachio
e-Rad_Researcher 70344322 著者名 Suyama, Satoshi
キーワード	Diet shift
	Feeding habits
	Juvenile
	Slime flounder
発行日	2010-01
出版者	Springer
収録物名	Fisheries Science
巻(号)	76(1)
ページ	45-53
抄録	This study details the growth and maturation processes of Pacific saury Cololabis saira from eggs to first spawning under laboratory conditions. They were reared at 20°C, and fed almost to satiation every day. There was no significant difference in the knob length (KnL) between males and females, and so data for both sexes were combined in the following Gompertz growth formula: KnL t = 277.1 exp[−exp(−0.015 (t − 83.8))]. The first spawning was observed 243 days after hatching (DAH). At the beginning of spawning, when the mean KnL was about 250 mm, only several hundred eggs were spawned at most. The spawning continued, and the number of spawned eggs increased notably after 260 DAH. Correlation and stepwise multiple regression analysis of the gonad somatic index (GSI) of Pacific saury versus KnL, CF, and DAH revealed that only DAH (R = 0.88 and 0.72 for males and females, respectively) was significantly correlated with GSI of Pacific saury (P < 0.001). This result suggests that DAH is one of the most influential factors for maturation in this species.
資源タイプ	学術雑誌論文
出版タイプ	Accepted Manuscript
権利情報	© 2016 公益社団法人日本水産学会
	The final publication is available at www.springerlink.com
	© 2016 The Japanese Society of Fisheries Science
PISSN	0919-9268
関連情報 (isVersionOf)	出版社版DOI https://doi.org/10.1007/s12562-009-0179-9