Oliveira, R. F.Hirschenhauser, K.Canario, Adelino V. M.Taborsky, M.2014-05-122014-05-122003Oliveira, R. F.; Hirschenhauser, K.; Canário, A. V. M.; Taborsky, M.Androgen levels of reproductive competitors in a co-operatively breeding cichlid, Journal of Fish Biology, 63, 6, 1615-1620, 2003.0022-1112AUT: ACA00258;http://hdl.handle.net/10400.1/3857Androgen levels of family groups of Neolamprologus pulcher were assessed using non-invasive methods. There were no significant differences in the excretion rates neither of testosterone nor of 11-ketotestosterone between territorial and helper males.engTestosterone11-ketotestosteroneSexual behaviourAndrogen levels of reproductive competitors in a co-operatively breeding cichlidjournal article2014-05-09http://dx.doi.org/10.1046/j.1095-8649.2003.00260.x