The conformation of a female preference for a composite male trait in green swordtails

摘要: Female green swordtails, Xiphophorus helleri, possess a preference for the multicomponent male sword. Previous work suggests that this female is result of pre-existing receiver bias favouring sword and has contributed to evolution via intersexual selection. We use video presentations investigate how females respond components composite trait. Complete swords in species have at least four individual components. Based on response stimuli depicting males with intact which were digitally manipulated, it appears possessing complete elicit strongest response. Additionally, we found prefer black coloration those lacking coloration. The results suggest multiple stimulate females, these operate conjunction make structure more attractive females.  2002 Association Study Animal Behaviour