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Power and temptation cause shifts between exploitation and cooperation in a cleaner wrasse mutualism.


ABSTRACT: 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.

SUBMITTER: Gingins S 

PROVIDER: S-EPMC3652443 | biostudies-literature | 2013 Jun

REPOSITORIES: biostudies-literature

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Power and temptation cause shifts between exploitation and cooperation in a cleaner wrasse mutualism.

Gingins Simon S   Werminghausen Johanna J   Johnstone Rufus A RA   Grutter Alexandra S AS   Bshary Redouan R  

Proceedings. Biological sciences 20130424 1761


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 again  ...[more]

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2021-06-15 | GSE152475 | GEO