Cookies Policy

This site uses cookies. By continuing to browse the site you are agreeing to our use of cookies.

I accept this policy

Find out more here

The Effect of Social Isolation On the Aggressive and Sexual Behaviour in a Cichlid Fish, Haplochromis Burtoni

No metrics data to plot.
The attempt to load metrics for this article has failed.
The attempt to plot a graph for these metrics has failed.
The full text of this article is not currently available.

Brill’s MyBook program is exclusively available on BrillOnline Books and Journals. Students and scholars affiliated with an institution that has purchased a Brill E-Book on the BrillOnline platform automatically have access to the MyBook option for the title(s) acquired by the Library. Brill MyBook is a print-on-demand paperback copy which is sold at a favorably uniform low price.

Access this article

+ Tax (if applicable)
Add to Favorites
You must be logged in to use this functionality

image of Behaviour

Males of the mouthbreeding cichlid fish, Haplochromis burtoni, were visually isolated from conspecifics for periods of 15 minutes to 12 days. The number of attacks directed at adult conspecifics increased by 2 and 7 hours of isolation but after sufficiently long isolation (12 days) the attack rate decreased. The sexual activity increased after only 15 minutes of isolation. With longer periods of isolation this increase became more pronounced. The aggressive and sexual behaviour were thus differently affected by isolation and this disputes any influence on the reproductive behaviour in general. Shortly after termination of isolation the sexual activity was generally high while the attack rate was low. Throughout the first 30 minutes of contact with conspecifics the attack rate increased while the sexual activity decreased. After the longest periods of isolation, however, the maximal sexual activity tended to occur later (5-15 minutes after the isolation). After isolation periods of 3 and 12 days the increase of the sexual activity lasted a couple of hours while the decrease in the attack rate after 12 days of isolation seemed to persist for several days. The results can be explained in terms of adaptive short-term and long-term incremental and decremental processes in different motivational systems and an attempt is made to relate the results to the biological conditions of the species.

Affiliations: 1: Division of Ethology, Department of Zoology, University of Stockholm, Sweden


Full text loading...


Data & Media loading...

Article metrics loading...



Can't access your account?
  • Tools

  • Add to Favorites
  • Printable version
  • Email this page
  • Subscribe to ToC alert
  • Get permissions
  • Recommend to your library

    You must fill out fields marked with: *

    Librarian details
    Your details
    Why are you recommending this title?
    Select reason:
    Behaviour — Recommend this title to your library
  • Export citations
  • Key

  • Full access
  • Open Access
  • Partial/No accessInformation