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

• 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.

Ämnesord

NATURVETENSKAP  -- Biologi -- Ekologi (hsv//swe)

NATURAL SCIENCES  -- Biological Sciences -- Ecology (hsv//eng)

NATURVETENSKAP  -- Biologi (hsv//swe)

NATURAL SCIENCES  -- Biological Sciences (hsv//eng)

Nyckelord

Gobiidae

male–male competition

mate choice

parental care

sexual selection

Publikations- och innehållstyp

ref (ämneskategori)

art (ämneskategori)