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Costly courtship or dishonest display? Intensely displaying sand goby (Pomatoschistus minutus) males have lower lipid content.

Journal article
Authors Ola Svensson
A. Nyman
Charlotta Kvarnemo
Published in Journal of Fish Biology
Volume 64
Issue 5
Pages 1425-1429
ISSN 0022-1112
Publication year 2004
Published at Department of Zoology, Animal Ecology
Pages 1425-1429
Language en
Links dx.doi.org/10.1111/j.0022-1112.2004...
Keywords Gobiidae, male–male competition, mate choice, parental care, sexual selection
Subject categories Biological Sciences, Ethology and behavioural ecology

Abstract

Intensely displaying sand goby Pomatoschistus minutus males had lower lipid content, indicating that signalling increased energy expenditure, or that low condition males increased their signalling effort. Display intensity correlated positively with nest‐defence and tended to correlate positively with filial cannibalism.

Page Manager: Webmaster|Last update: 9/11/2012
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