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Agonistic sounds in the skunk clownfish Amphiprion akallopisos: size-related variation in acoustic features

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Fourteen individuals of the skunk clownfish Amphiprion akallopisos of different sizes and of different sexual status (non-breeder, male or female) were analysed for four acoustic features. Dominant frequency and pulse duration were highly correlated with standard length (r = 0·97), and were not related to sex. Both the dominant frequency and pulse duration were signals conveying information related to the size of the emitter, which implies that these sound characteristics could be useful in assessing size of conspecifics.
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Keywords: Pomacentridae; clownfishes; fish size; sound production

Document Type: Research Article

Affiliations: 1: Laboratoire de Morphologie Fonctionnelle et Evolutive, Département des Sciences et Gestion de l’Environnement, Université de Liège, Institut de Chimie, Bât B6c, 4000 Liège, Belgium 2: Unitat de Biologia Animal, Facultat de Ciències, Universitat de Girona, Campus de Montilivi s/n, 17071 Girona, Spain

Publication date: 2009-09-01

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