Female choice by electric pulse duration: attractiveness of the males' communication signal assessed by female bulldog fish, Marcusenius pongolensis (Mormyridae, Teleostei)

URN to cite this document:: urn:nbn:de:bvb:355-epub-37250
DOI to cite this document:: 10.5283/epub.3725

Machnik, Peter ; Kramer, Bernd

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Date of publication of this fulltext: 05 Aug 2009 13:44

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Abstract

In adult males of the South African weakly electric bulldog fish, Marcusenius pongolensis, the duration of the electric organ discharge ( EOD) increases with body size over lifetime. Although there is experimental support for intrasexual selection ( male-male competition) having shaped the males' EOD pulse duration in evolution, nothing is known about intersexual selection, such as female choice. ...