期刊
BEHAVIORAL ECOLOGY
卷 17, 期 2, 页码 255-259出版社
OXFORD UNIV PRESS INC
DOI: 10.1093/beheco/arj021
关键词
copying; cultural evolution; mutual mate choice; pipefish; sex-role reversal; Syngnathus typhle
If mate choice is costly, ail individual may reduce the costs of choice by observing and copying the mate choice of others. Although copying has received Much attention during the past 10 years, evidence of copying is not very strong, partly because Of problems with distinguishing copying front other mechanisms creating similar mating patterns. I conducted an aquarium experiment using the deep-snouted pipefish Syngnathus typhle, a species with reversed sex roles and mutual mate choice. I tested whether copying occurred both during male and female mate choice. The result: showed that. males, but not females, displayed More toward an individual, Which they Perceived as popular among Others, and this was interpreted as male mate choice copying. While being the first evidence of copying in a sex-role-reversed Species, the sex difference in behavior mirrors the sex-role pattern and begs the question Whether we Should predict copying only in females in other species with mutual choice but. conventional sex roles.
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