Behavioral Ecology and Sociobiology

, Volume 18, Issue 1, pp 15–18 | Cite as

Sex, cannibalism and sticklebacks

  • F. G. Whoriskey
  • G. J. FitzGerald


Two closely related species of sticklebacks (Pisces:Gasterosteidae), breeding in the same site at the same time, showed different patterns of egg cannibalism. In Gasterosteus aculeatus the intensity of cannibalism was density-dependent and females were the most important cannibals. In G. wheatlandi cannibalism was not density-dependent and males ate more eggs than females. This study indicates that sex-specific patterns of cannibalism can differ widely between species despite their similar ecology, and it provides evidence inconsistent with a currently popular explanation for egg cannibalism.


Related Species Similar Ecology Popular Explanation 
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Copyright information

© Springer-Verlag 1985

Authors and Affiliations

  • F. G. Whoriskey
    • 1
  • G. J. FitzGerald
    • 1
  1. 1.Départment de BiologieUniversité LavalSte-FoyCanada

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