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Sex-specific territorial behaviour in the Banggai cardinalfish, Pterapogon kauderni
Uppsala universitet, Zooekologi.ORCID iD: 0000-0001-5791-336X
Uppsala universitet, Zooekologi.
2004 (English)In: Environmental Biology of Fishes, ISSN 0378-1909, E-ISSN 1573-5133, Vol. 70, no 4, 375-379 p.Article in journal (Refereed) Published
Abstract [en]

In a field experiment, we studied how levels of aggression in males and females in established pairs of the Banggai cardinalfish were influenced by the sex of an experimentally introduced individual larger and more attractive than its resident counterpart. Contrary to previous studies on other cardinalfish species, and contrary to expectations in a sex role reversed species, the male was the main aggressor towards an intruder. Moreover, residents were more aggressive towards an intruder of the same sex as themselves. Furthermore, even though females often courted introduced, larger males, no intruder managed to take over the partnership of any resident. We suggest that our findings imply relatively equal sex roles in the Banggai cardinalfish and we discuss the evolution of sex specific territory defence and its significance in the Banggai cardinalfish as well as the implications of such behaviour in the interpretations of sex roles in general.

Place, publisher, year, edition, pages
2004. Vol. 70, no 4, 375-379 p.
Keyword [en]
territorial defence, sex, sex roles
National Category
Biological Sciences
URN: urn:nbn:se:su:diva-116482DOI: 10.1023/B:EBFI.0000035430.76766.53ISI: 000222800800009OAI: diva2:806575
Available from: 2003-09-04 Created: 2015-04-20 Last updated: 2015-04-20

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Kolm, Niclas
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