Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.12/2426
Título: Sex differences in resource utilization by the peacock blenny
Autor: Gonçalves, Emanuel João
Almada, Vítor Carvalho
Palavras-chave: Salaria pavo
Blenniidae
Reproductive costs
Parental care
Body condition
Alternative reproductive tactics
Data: 1997
Editora: Academic Press
Citação: Journal of Fish Biology, 51, 624-633
Resumo: This paper presents data on the seasonal variation of gonadosomatic, hepatosomatic and feeding indices in nesting males, females and female-like males of the blenniid fish Salaria pavo. Eviscerated condition factors, female fecundity and feeding rates are also presented. The results are consistent with the hypothesis that females maximize their feeding rates during reproduction, converting food into eggs through repeated spawning. Nesting males feed at a very low rate during the breeding season. It is argued that one major component of the reproductive costs in these males is the reduction of feeding opportunities. Female-like males present lower reproductive costs, which probably reflects the compromise between fertilizing some eggs and growing.
Peer review: yes
URI: http://hdl.handle.net/10400.12/2426
ISSN: 0022–1112
Aparece nas colecções:UIE-E - Artigos em revistas internacionais

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