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  4. Roving and Service Quality in the Cleaner Wrasse Labroides bicolor
 
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Roving and Service Quality in the Cleaner Wrasse Labroides bicolor

Auteur(s)
Oates, Jennifer
Manica, Andrea
Bshary, Redouan 
Institut de biologie 
Date de parution
2010
In
Ethology, Wiley, 2010/216/4/309–315
Résumé
The cleaner wrasse <i>Labroides dimidiatus</i> occupies fixed ‘cleaning stations’ on coral reefs, which ‘client’ reef fish visit repeatedly to have parasites removed. Conflict arises because cleaners prefer to cheat by feeding on client mucus instead of parasites. Clients can prevent <i>L. dimidiatus</i> from always cheating using control mechanisms such as chasing and partner switching, which depend on repeated interactions. These control mechanisms would be undermined in the absence of frequent repeated interactions, if cleaners roved over large areas. Roving behaviour has been anecdotally described for the closely related cleaner wrasse <i>Labroides bicolor</i>. Here we report field data comparing these two species in Moorea, French Polynesia. Our results confirmed that <i>L. bicolor</i> home ranges are much larger than <i>L. dimidiatus</i> home ranges, and showed that cleaning interactions occurred all over the <i>L. bicolor</i> home range: home range of cleaning interactions increased with total home range size. Moreover, we found that cleaner initiation of interactions increased with home range size in <i>L. bicolor</i>, which would give <i>L. bicolor</i> with large home ranges additional leverage to increase cheating. In line with these results, we found that client jolt rate (used as a measure of cheating) was higher among clients of cleaners with large home ranges. Our results emphasise the importance of game structure and control over initiating interactions as parameters in determining the nature of interactions in mutualisms.
Identifiants
https://libra.unine.ch/handle/123456789/10346
_
10.1111/j.1439-0310.2010.01742.x
Type de publication
journal article
Dossier(s) à télécharger
 main article: Oates_Jennifer_-_Roving_and_Service_Quality_in_the_Cleaner_20120420153707-UB.pdf (1.02 MB)
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