Female preference for male body size in brown trout, Salmo trutta: is big still fashionable?

Publication year: 2009
Source: Animal Behaviour, Volume 77, Issue 1, January 2009, Pages 129-137</br>
Jacques, Labonne , Matthieu, Augery , Michel, Parade , Stéphane, Brinkert , Etienne, Prevost , ...</br>
The study of female preference for male traits is of primary importance for understanding the role of sexual selection in the evolution of natural populations. Female preference is usually investigated in controlled conditions to facilitate the manipulation of variables. However, such results are rarely confirmed in wild populations where many variables act together. Inferring the role of female preference in the outcome of reproduction thus requires field studies and a specific approach to behavioural data. We observed, over 2 years, the courtship behaviours of male and female brown trout in six populations distributed along a French watershed. We focused on...</br>

11th August 2010 12:14

More details...