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Costly courtship or dishonest display? Intensely displaying sand goby males have lower lipid content
Author(s) -
Svensson O.,
Nyman A.,
Kvarnemo C.
Publication year - 2004
Publication title -
journal of fish biology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.672
H-Index - 115
eISSN - 1095-8649
pISSN - 0022-1112
DOI - 10.1111/j.0022-1112.2004.00381.x
Subject(s) - biology , goby , pomatoschistus , cannibalism , nest (protein structural motif) , courtship , zoology , signalling , courtship display , ecology , predation , fishery , fish <actinopterygii> , microbiology and biotechnology , biochemistry
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.