Individual Differences in Fish Behaviour

  • Anne E. Magurran


But they do! In ethology individual differences in behaviour have traditionally been ignored, treated as white noise (Ringler 1983) or, as Arak (1984) points out, considered to be maladaptive deviations from optimal strategies. Many classical ethology textbooks proceed with the implicit assumption that intraspecific differences in behaviour are less important and less interesting than differences between species. Fish behaviour, where most students begin by looking at the stereotyped response of the breeding male stickleback (Gasterosteus aculeatus) to things coloured red (Tinbergen 1951), is no exception. Closer inspection, however, reveals pronounced individual differences in the rate at which male sticklebacks attack red dummies (Rowland 1982).


Largemouth Bass Dominance Hierarchy Fish Behaviour Shoal Size Bluegill Sunfish 
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© Tony J. Pitcher 1986

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  • Anne E. Magurran

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