The development of shoaling behaviour in the European minnow, Phoxinus phoxinus
The development of shoaling behaviour in the European minnow, Phoxinus phoxinus
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欧洲米诺鱼 (Phoxinus phoxinus) 成群行为的发展
DOI:
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发表时间:
1986
期刊:
影响因子:
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通讯作者:
A. Magurran
中科院分区:
文献类型:
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作者:
A. Magurran
The effects of development and disturbance on schooling and shoaling were observed in laboratory-raised minnows. Both behaviours were present at the onset of free swimming. Shoaling increased to become the most important behaviour by 3 weeks after emergence from gravel, while the main increase in schooling behaviour occurred at 4 weeks. These changes were accompanied by rises in elective group size and in the number of following responses, and by a decrease in nearest neighbour distance. The increases in social behaviour were observed at an earlier stage in the same minnows threatened by a standard net chase. The main increase in schooling in disturbed minnows took place between 3 and 4 weeks after emergence; after this time schooling became the dominant behaviour. Disturbed fish were also more likely to follow another minnow during an encounter.