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Geographical variation in sound production in the anemonefish Amphiprion akallopisos
Parmentier, E.; Lagardère, J.-P.; Vandewalle, P.; Fine, M.L. (2005). Geographical variation in sound production in the anemonefish Amphiprion akallopisos. Proc. - Royal Soc., Biol. Sci. 272(1573): 1697-1703.
In: Proceedings of the Royal Society of London. Series B. The Royal Society: London. ISSN 0962-8452, more
Peer reviewed article  

Available in  Authors 

    Pomacentridae Bonaparte, 1831 [WoRMS]; Marine
Author keywords
    sound production; Pomacentridae; geographic variation; dialect; speciation

Authors  Top 
  • Parmentier, E., more
  • Lagardère, J.-P.
  • Vandewalle, P., more
  • Fine, M.L.

    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.

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