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

Robert Gerlai, Wim E. Crusio, Vilmos Csányi

Research output: Contribution to journalArticle

25 Citations (Scopus)


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.

Original languageEnglish
Pages (from-to)487-498
Number of pages12
JournalBehavior Genetics
Issue number4
Publication statusPublished - Jul 1 1990


  • behavioral elements
  • diallel cross
  • exploratory behavior
  • paradise fish

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Genetics
  • Genetics(clinical)

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