Behavior Genetics

, Volume 20, Issue 4, pp 487–498 | Cite as

Inheritance of species-specific behaviors in the paradise fish (Macropodus opercularis): A diallel study

  • Robert Gerlai
  • Wim E. Crusio
  • Vilmos Csányi


Species-specific elements of the paradise fish's ethogram were recorded in one familiar and three different unfamiliar environments, which were designed to model certain features of this species' natural habitat: (1) a densely vegetated home range, (2) a novel open field, (3) a small novel place, and (4) a small novel place with a predator. The inheritance of the behavioral elements was investigated employing a five-times-replicated diallel cross among three inbred strains. A detailed Hayman analysis of variance and a variance-covariance analysis were performed to uncover the genetic architectures of these phenotypes. Additive genetic effects and/or ambidirectional dominance was found to be characteristic of most species-specific behavioral elements studied, suggesting an evolutionary history of stabilizing selection.

Key Words

paradise fish behavioral elements exploratory behavior diallel cross 


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Copyright information

© Plenum Publishing Corporation 1990

Authors and Affiliations

  • Robert Gerlai
    • 1
  • Wim E. Crusio
    • 2
  • Vilmos Csányi
    • 1
  1. 1.Department of Behavior GeneticsL. Eötvös University of BudapestGödHungary
  2. 2.Institut für Humangenetik und AnthropologieHeidelbergFederal Republic of Germany

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