Growth, pigmentation and activity of juvenile Japanese eels in relation to temperature and fish size

doi:10.1046/j.1095-8649.2003.00211.x

	Growth, pigmentation and activity of juvenile Japanese eels in relation to temperature and fish size
	Dou, S ; Miller, MJ ; Tsukamoto, K
	2003-12-01
发表期刊	JOURNAL OF FISH BIOLOGY
ISSN	0022-1112
卷号	63 页码:152-165
文章类型	Article
摘要	The growth and activity of juvenile Japanese eels Anguilla Japonica in different pigmentation stages from the glass eel to the elver stage were studied in the laboratory at 15, 20 and 25degrees C. The growth and activity of the eels were significantly influenced by both temperature and fish size. Growth rate generally declined with increasing fish size, and fish were least active and experienced a low growth during the pigmenting stage at all temperatures. They were nocturnal and spent significantly more time moving (swimming, feeding and moving over the substratum) at 20 and 25degrees C than at 15degrees C at night within each pigmentation stage. Accordingly, they grew significantly Faster at 20 and 25degrees C than at 15degrees C throughout the study. The development of pigmentation appeared to be dependant on water temperature but not on fish size. This study suggested that the growth and activity of juvenile Japanese eels were positively correlated, because fish were least active and grew slowest at low temperature (15degrees C) or during the pigmenting stage at all temperatures. (C) 2003 The Fisheries Society of the British Isles.; The growth and activity of juvenile Japanese eels Anguilla Japonica in different pigmentation stages from the glass eel to the elver stage were studied in the laboratory at 15, 20 and 25degrees C. The growth and activity of the eels were significantly influenced by both temperature and fish size. Growth rate generally declined with increasing fish size, and fish were least active and experienced a low growth during the pigmenting stage at all temperatures. They were nocturnal and spent significantly more time moving (swimming, feeding and moving over the substratum) at 20 and 25degrees C than at 15degrees C at night within each pigmentation stage. Accordingly, they grew significantly Faster at 20 and 25degrees C than at 15degrees C throughout the study. The development of pigmentation appeared to be dependant on water temperature but not on fish size. This study suggested that the growth and activity of juvenile Japanese eels were positively correlated, because fish were least active and grew slowest at low temperature (15degrees C) or during the pigmenting stage at all temperatures. (C) 2003 The Fisheries Society of the British Isles.
关键词	Diurnal Activity Eel Anguilla Japonica Pigmentation Development Size-dependent Growth Temperature-dependent Activity
学科领域	Fisheries ; Marine & Freshwater Biology
DOI	10.1046/j.1095-8649.2003.00211.x
URL	查看原文
收录类别	ISTP ; SCI
语种	英语
WOS记录号	WOS:000187879700010
引用统计	被引频次：21[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.qdio.ac.cn/handle/337002/2768
专题	海洋生态与环境科学重点实验室
作者单位	1.Univ Tokyo, Ocean Res Inst, Nakano Ku, Tokyo 1648639, Japan 2.Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Peoples R China
推荐引用方式 GB/T 7714	Dou, S,Miller, MJ,Tsukamoto, K. Growth, pigmentation and activity of juvenile Japanese eels in relation to temperature and fish size[J]. JOURNAL OF FISH BIOLOGY,2003,63:152-165.
APA	Dou, S,Miller, MJ,&Tsukamoto, K.(2003).Growth, pigmentation and activity of juvenile Japanese eels in relation to temperature and fish size.JOURNAL OF FISH BIOLOGY,63,152-165.
MLA	Dou, S,et al."Growth, pigmentation and activity of juvenile Japanese eels in relation to temperature and fish size".JOURNAL OF FISH BIOLOGY 63(2003):152-165.

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