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Environmental Biology of Fishes

, Volume 73, Issue 2, pp 227–231 | Cite as

Contestable shelters provoke aggression among 0+ perch, Perca fluviatilis

  • Victor N. Mikheev
  • Anna F. Pasternak
  • Gerhard Tischler
  • Josef Wanzenböck
Article

Synopsis

We examined behavioural interactions and feeding within triads of young-of-the-year (YOY) Eurasian perch, Perca fluviatilis, in aquaria with and without a shelter. For the first time we showed that competition for shelters, but not for food, provokes aggressiveness and triggers establishment of social hierarchy among young perch. No aggressiveness occurred during feeding bouts, when food was a limited resource. We expect the observed interactions to occur in natural heterogeneous habitats providing limited number of refuges and high local density of fish. They may ultimately lead to previously anticipated interference competition among juvenile perch.

Keywords

foraging interference competition juvenile fish 

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Copyright information

© Springer 2005

Authors and Affiliations

  • Victor N. Mikheev
    • 1
  • Anna F. Pasternak
    • 2
  • Gerhard Tischler
    • 3
  • Josef Wanzenböck
    • 3
  1. 1.A.N. Severtsov Institute of Ecology and EvolutionRussian Academy of SciencesMoscowRussia
  2. 2.P.P. Shirshov Institute of OceanologyRussian Academy of SciencesMoscowRussia
  3. 3.Institute for LimnologyAustrian Academy of SciencesMondseeAustria

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