Can a minority of informed leaders determine the foraging movements of a fish shoal?

  title={Can a minority of informed leaders determine the foraging movements of a fish shoal?},
  author={St{\'e}phan G. Reebs},
  journal={Animal Behaviour},
  • S. G. Reebs
  • Published 1 February 2000
  • Psychology
  • Animal Behaviour
There is no information on whether the daily foraging movements of fish shoals are the result of chance, the collective will of all shoalmates, or the leadership of a few individuals. This study tested the latter possibility. Shoals of 12 golden shiners, Notemigonus crysoleucas, were trained to expect food around midday in one of the brightly lit corners of their tank. They displayed daily food-anticipatory activity by leaving the shady area of their tank and spending more and more time in the… 

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