Document Detail

Power and temptation cause shifts between exploitation and cooperation in a cleaner wrasse mutualism.
MedLine Citation:
PMID:  23615288     Owner:  NLM     Status:  MEDLINE    
In many instances of cooperation, only one individual has both the potential and the incentive to 'cheat' and exploit its partner. Under these asymmetric conditions, a simple model predicts that variation in the temptation to cheat and in the potential victim's capacity for partner control leads to shifts between exploitation and cooperation. Here, we show that the threat of early termination of an interaction was sufficient to induce cleaner wrasse Labroides dimidiatus to feed selectively against their preference (which corresponds to cooperatively eating client fish ectoparasites), provided that their preference for alternative food was weak. Under opposite conditions, cleaners fed selectively according to their own preference (which corresponds to cheating by eating client mucus). By contrast, a non-cleaning fish species, Halichoeres melanurus, failed to adjust its foraging behaviour under these same conditions. Thus, cleaners appear to have evolved the power to strategically adjust their levels of cooperation according to the circumstances.
Simon Gingins; Johanna Werminghausen; Rufus A Johnstone; Alexandra S Grutter; Redouan Bshary
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2013-04-24
Journal Detail:
Title:  Proceedings. Biological sciences / The Royal Society     Volume:  280     ISSN:  1471-2954     ISO Abbreviation:  Proc. Biol. Sci.     Publication Date:  2013 Jun 
Date Detail:
Created Date:  2013-04-25     Completed Date:  2014-01-22     Revised Date:  2014-06-24    
Medline Journal Info:
Nlm Unique ID:  101245157     Medline TA:  Proc Biol Sci     Country:  England    
Other Details:
Languages:  eng     Pagination:  20130553     Citation Subset:  IM    
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MeSH Terms
Behavior, Animal*
Cooperative Behavior
Feeding Behavior*
Perciformes / parasitology,  physiology*
Social Behavior*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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