Feeding behaviour of Japanese flounder larvae under laboratory conditions

	Feeding behaviour of Japanese flounder larvae under laboratory conditions
	Dou, S; Seikai, T; Tsukamoto, K
	2000
发表期刊	JOURNAL OF FISH BIOLOGY
ISSN	0022-1112
卷号	56 期号:3 页码:654-666
摘要	Tank-reared Japanese flounder larvae, Paralichthys olivaceus, had a major feeding peak in the morning and a secondary peak in the afternoon throughout the larval development, with light being the primary factor regulating their feeding activity. The larvae consumed rotifers in preference to Artemia for up to 10 days, after which the food preference shifted to Artemia. Feeding rates of the larvae prior to 10 days post-batch depended on prey density, but in the old larvae, feeding rates were independent of prey density. Maximum feeding rate occurred at 19 degrees C. The occurrence of the attack posture, after its onset at first feeding (2 days post-hatch), increased up to 25 days, began to decrease when the larvae prepared to settle down, then disappeared after settlement. The occurrence frequency of the attack posture was positively related to fish density, but inversely related to starvation duration, and occurred most frequently at 19 degrees C. This posture depended on prey density in larvae prior to 10 days post-hatch, but became independent of prey density as the larvae developed. It was obvious that, for flounder larvae, attack posture was a behavioural character closely related to feeding and subject to larval development and environmental factors. (C) 2000 The Fisheries Society of the British Isles.
关键词	Environmental-conditions Paralichthys-olivaceus Atlantic Salmon Life-history Rhythms Sea
学科领域	Fisheries ; Marine & Freshwater Biology
收录类别	sci
文献类型	期刊论文
条目标识符	http://ir.qdio.ac.cn/handle/337002/2840
专题	海洋生态与环境科学重点实验室
推荐引用方式 GB/T 7714	Dou, S,Seikai, T,Tsukamoto, K. Feeding behaviour of Japanese flounder larvae under laboratory conditions[J]. JOURNAL OF FISH BIOLOGY,2000,56(3):654-666.
APA	Dou, S,Seikai, T,&Tsukamoto, K.(2000).Feeding behaviour of Japanese flounder larvae under laboratory conditions.JOURNAL OF FISH BIOLOGY,56(3),654-666.
MLA	Dou, S,et al."Feeding behaviour of Japanese flounder larvae under laboratory conditions".JOURNAL OF FISH BIOLOGY 56.3(2000):654-666.

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