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


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.


Nutritional State Feeding Rate Individual Fish Position Preference Front Position 
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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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