Sound Production in the Territorial Behaviour of the Churchill Petrocephalus catostoma (Mormyridae, Teleostei) from the Upper Zambezi River

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urn:nbn:de:bvb:355-epub-228515 Copy

Lamml, Michael ; Kramer, Bernd

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Date of publication of this fulltext: 02 Dec 2011 08:54

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Details

Item type:	Article
Journal or Publication Title:	Bioacoustics
Publisher:	AB Academic Publishers
Volume:	18
Number of Issue or Book Chapter:	2
Page Range:	pp. 151-158
Date:	2008
Institutions:	Biology, Preclinical Medicine > Institut für Zoologie > Alumni or Retired > Verhaltensbiologie und Verhaltensphysiologie (Prof. Dr. Bernd Kramer)
Keywords:	aggression, electric fish, sound production, territory, vocalisation
Dewey Decimal Classification:	500 Science > 570 Life sciences 500 Science > 590 Zoological sciences
Status:	Published
Refereed:	Yes, this version has been refereed
Created at the University of Regensburg:	Yes
Item ID:	22851

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Abstract

This is the first description of vocalisations produced by the mormyrid species Petrocephalus catostoma from the Upper Zambezi River whilst defending a territory. Agonistic behavioural displays of a dominant male towards a conspecific, such as mutual circling or short attacks, were accompanied by characteristic tonal sounds, termed hoots. The mean hoot duration (43 ± SD 1.8 ms) was longer, and ...

Abstract

This is the first description of vocalisations produced by the mormyrid species Petrocephalus catostoma from the Upper Zambezi River whilst defending a territory. Agonistic behavioural displays of a dominant male towards a conspecific, such as mutual circling or short attacks, were accompanied by characteristic tonal sounds, termed hoots. The mean hoot duration (43 ± SD 1.8 ms) was longer, and the fundamental frequency (H1, 180 ± SD 4.7 Hz) lower, than in the closely related species Petrocephalus ballayi. P. catostoma vocalised hoots only during intraspecific agonistic interactions, especially those accompanying territorial conflict.

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