Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.12/1495
Título: Male mating success in the Azorean rock-pool blenny: The effects of body size, male behaviour and nest characteristics
Autor: Oliveira, Rui Filipe
Miranda, Jason
Carvalho, Natacha
Gonçalves, Emanuel João
Grober, Matthew S.
Santos, Ricardo Serrão
Palavras-chave: Sexual selection
Blennies
Female preferences
Male competition
Data: 2000
Editora: Blackwell Publishing
Citação: Journal of Fish Biology, 57, 1416-1428
Resumo: female visits, were courted more often by females and received more spawnings. Larger males also received a higher number of male intrusions, attacked more conspecifics and defended larger territories. Larger males showed more nest cleaning behaviour and a marginally non-significant trend for higher egg fanning rate. Male courtship, male attack rate against conspecifics and parental behaviour were all correlated with the frequency of female spawnings received by each male even when controlling for male size, suggesting that these behaviour patterns influence male mating success. On the other hand, a positive partial correlation was found between female courtship and the frequency of female spawnings, controlling for the number of female visits, which suggests a role for female mate choice on male mating success. Finally, males nesting in chambers in the bottom of pools received more spawnings than males nesting either in crevices or under boulders. However, nest opening area was associated significantly negatively with male mating success, when controlling for male size. Thus, the present data suggest strongly that male characteristics overrule nest characteristics in determining male mating success in the Azorean rock-pool blenny.
Peer review: yes
URI: http://hdl.handle.net/10400.12/1495
ISSN: 0022-1112
Aparece nas colecções:UIE-E - Artigos em revistas internacionais

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