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<datestamp>2018-01-11</datestamp>
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<title lang=en>Circling and touching: two new behaviours in the courtshipof the Picasso triggerfish Rhinecanthus aculeatus(Linnaeus, 1758)</title>
<creator>Raick, Xavier</creator>
<creator>Lecchini, David</creator>
<creator>Parmentier, Eric</creator>
<contributor>Laboratoire de Morphologie Fonctionnelle et Evolutive ; Université de Liège</contributor>
<contributor>Centre de recherches insulaires et observatoire de l'environnement (CRIOBE) ; Université de Perpignan Via Domitia (UPVD) - École pratique des hautes études (EPHE) - Centre National de la Recherche Scientifique (CNRS)</contributor>
<contributor>Laboratoire d'Excellence CORAIL (LabEX CORAIL) ; Institut de Recherche pour le Développement (IRD) - Université des Antilles et de la Guyane (UAG) - École des hautes études en sciences sociales (EHESS) - École pratique des hautes études (EPHE) - Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER) - Université de la Réunion (UR) - Université de la Polynésie Française (UPF) - Université de Nouvelle Calédonie - Institut d'écologie et environnement</contributor>
<description>International audience</description>
<source>EISSN: 1755-2672</source>
<source>Marine Biodiversity Records</source>
<publisher>Cambridge University Press</publisher>
<identifier>hal-01562097</identifier>
<identifier>https://hal-univ-perp.archives-ouvertes.fr/hal-01562097</identifier>
<source>https://hal-univ-perp.archives-ouvertes.fr/hal-01562097</source>
<source>Marine Biodiversity Records, Cambridge University Press, 2017, 47 (1), pp.161-162. 〈10.1007/s12526-016-0464-7〉</source>
<identifier>DOI : 10.1007/s12526-016-0464-7</identifier>
<relation>info:eu-repo/semantics/altIdentifier/doi/10.1007/s12526-016-0464-7</relation>
<language>en</language>
<subject lang=en> behaviours in the courtship</subject>
<subject lang=en> Picasso triggerfish </subject>
<subject lang=en> triggerfish Rhinecanthus aculeatus (Linnaeus</subject>
<subject lang=en> 1758)</subject>
<subject lang=en> Circling and touching behaviours</subject>
<subject>[SDV] Life Sciences [q-bio]</subject>
<subject>[SDV.BA] Life Sciences [q-bio]/Animal biology</subject>
<subject>[SDV.BA.ZV] Life Sciences [q-bio]/Animal biology/Vertebrate Zoology</subject>
<type>info:eu-repo/semantics/article</type>
<type>Journal articles</type>
<description lang=en>The reproduction of Rhinecanthus aculeatus (Linnaeus,1758), a tropical Indo-Pacific reef fish, occurs aroundthe full and new moon (Kuwamura 1997). Spawningbegins 16 to 45 min before the sunrise. The courtshipsbegin 7 to 27 min before the spawning. A specific behaviourof the courtships is when the male places itsrostrum against the caudal peduncle of the female(Kuwamura 1997).Observations have been recorded in the lagoon ofTiahura [shallow sandy area (0.5 - 2 m deep) withalgae Hypnea spinella (C.Agardh) Kützing, 1847 -Moorea, French Polynesia; 17°29′27′ S, 149°53′32″O]in March and April 2015. Fifteen R. aculeatus (fivemales and ten females) lived in this area where themales have territories, which included the subterritoriesof the females. During video-recorded courtships,in addition to the behaviour described byKuwamura (the nuzzling), two new behaviours havebeen observed: circling and touching. During the circling,the male and the female swim to the surface inprogressively larger circles (Fig. 1). The circling behaviourhas been observed in other Balistidae such asPseudobalistes flavimarginatus (Rüppell, 1829) andBalistapus undulatus (Park, 1797) (Lobel andJohannes 1980). During the touching, the abdomensof the male and the female’s touch each other withoutgametes emission (Fig. 2). The touching has been reportedfor Xanthichthys mento (Jordan and Gilbert1882) (Kawase 2003).Although Balistidae present different reproductivestrategies, they have common reproduction features,such as the time and the day of hatching andspawning (Kawase 2003). Our observations are innovativebecause the courtship of R. aculeatus is morecomplicated than previously described. This resultsuggests, thus, that Balistidae have also some commoncourtship behaviour features. These behaviours mayfacilitate the release of gametes, as with the nuzzling(Kuwamura 1997) or can convince the partner to mate.We do not know if these patterns are phylogeneticallyrelated. But as the egg care strategy of Balistidae (biparentalvs maternal) appears to be related to the distributionof food and breeding sites, more than by thephylogeny (Kuwamura 1997), more studies on thistopic will be useful to better understand the establishement of these behaviours.</description>
<date>2017</date>
</dc>
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