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  • Title: Inheritance of species-specific behaviors in the paradise fish (Macropodus opercularis): a diallel study.
    Author: Gerlai R, Crusio WE, Csányi V.
    Journal: Behav Genet; 1990 Jul; 20(4):487-98. PubMed ID: 2256892.
    Abstract:
    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.
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