Red coloration and male parental behaviour in the threespine stickleback


  • J. S. McKinnon

    1. Museum of Comparative Zoology, Harvard University, 26 Oxford St, Cambridge, MA 02138, U.S.A.
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    • Present address: Department of Zoology, University of B.C., Vancouver, B.C., Canada V6T 1Z4. Tel.: 604-822-2387; fax: 604-822-2416; email:


In an anadromous population of the threespine stickleback, male red coloration was correlated with agonistic and egg care behaviour of parental males, but not with hatching success. When one male took over a neighbour's territory, the dominant male had more intense red coloration.