Article (Scientific journals)
Geographical variation in sound production in the anemonefish Amphiprion akallopisos
Parmentier, Eric; Lagardere, J. P.; Vandewalle, Pierre et al.
2005In Proceedings of the Royal Society. Biological Sciences, 272 (1573), p. 1697-1703
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Keywords :
sound production; Pomacentridae; geographic variation; dialect; speciation
Abstract :
[en] Because of pelagic-larval dispersal, coral-reef fishes are distributed widely with minimal genetic differentiation between populations. Amphiprion akallopisos, a clownfish that uses sound production to defend its anemone territory, has a wide but disjunct distribution in the Indian Ocean. We compared sounds produced by these fishes from populations in Madagascar and Indonesia, a distance of 6500 km. Differentiation of agonistic calls into distinct types indicates a complexity not previously recorded in fishes' acoustic communication. Moreover, various acoustic parameters, including peak frequency, pulse duration, number of peaks per pulse, differed between the two populations. The geographic comparison is the first to demonstrate 'dialects' in a marine fish species, and these differences in sound parameters suggest genetic divergence between these two populations. These results highlight the possible approach for investigating the role of sounds in fish behaviour in reproductive divergence and speciation.
Disciplines :
Zoology
Author, co-author :
Parmentier, Eric  ;  Université de Liège - ULiège > Département des sciences et gestion de l'environnement > Morphologie fonctionnelle et évolutive
Lagardere, J. P.
Vandewalle, Pierre ;  Université de Liège - ULiège > Département des sciences et gestion de l'environnement > Morphologie fonctionnelle et évolutive
Fine, M. L.;  Virginia Commonwealth University
Language :
English
Title :
Geographical variation in sound production in the anemonefish Amphiprion akallopisos
Publication date :
22 August 2005
Journal title :
Proceedings of the Royal Society. Biological Sciences
ISSN :
0962-8452
eISSN :
1471-2954
Publisher :
Royal Society, London, United Kingdom
Volume :
272
Issue :
1573
Pages :
1697-1703
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
F.R.S.-FNRS - Fonds de la Recherche Scientifique [BE]
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