Proc Biol Sci 2014 Mar 22;281(1778):20133070. Epub 2014 Jan 22.
Eco-Ethology Research Unit, ISPA-Instituto Universitário, , Rua Jardim do Tabaco 34, Lisboa 1149-041, Portugal, Centro de Ciências do Mar, Universidade do Algarve, , Campus de Gambelas, Faro 8005-139, Portugal, Department of Science and Environment, University of St Joseph, , Rua de Londres 16, Macau, People's Republic of China (SAR), Champalimaud Neuroscience Programme, Instituto Gulbenkian de Ciência, , Oeiras, Portugal.
The mechanisms regulating sexual behaviours in female vertebrates are still poorly understood, mainly because in most species sexual displays in females are more subtle and less frequent than displays in males. In a sex-role reversed population of a teleost fish, the peacock blenny Salaria pavo, an external fertilizer, females are the courting sex and their sexual displays are conspicuous and unambiguous. We took advantage of this to investigate the role of ovarian-synthesized hormones in the induction of sexual displays in females. Read More