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Behavioral Ecology and Sociobiology

, Volume 30, Issue 3–4, pp 177–180 | Cite as

Relationship between the position preference and nutritional state of individuals in schools of juvenile roach (Rutilus rutilus)

  • Jens Krause
  • Dirk Bumann
  • Dietmar Todt
Article

Summary

Position preferences of well-fed and food-deprived juvenile roach were investigated in schools of 2 and 4 fish in the laboratory. Food-deprived fish appeared significantly more often in the front position than their well-fed conspecifics. For fish at the same hunger level, individuals at the front of the school had the highest feeding rate. These results represent the first evidence for a relationship between the nutritional state of individual fish and their positions in a school and suggest a functional advantage of the preference.

Keywords

Nutritional State Feeding Rate Individual Fish Position Preference Front Position 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag 1992

Authors and Affiliations

  • Jens Krause
    • 1
  • Dirk Bumann
    • 1
  • Dietmar Todt
    • 1
  1. 1.Institut für VerhaltensbiologieFreie Universität BerlinBerlin 41Federal Republic of Germany

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