Sex Differences in the Mate Selection Process Of the Monogamous, Biparental Convict Cichlid, Archocentrus Nigrofasciatum

Sex Differences in the Mate Selection Process Of the Monogamous, Biparental Convict Cichlid,... SEX DIFFERENCES IN THE MATE SELECTION PROCESS OF THE MONOGAMOUS, BIPARENTAL CONVICT CICHLID, ARCHOCENTRUS NIGROFASCIATUM by NICK SANTANGELO 1) and M. ITZKOWITZ 2) (Lehigh University, 111 Research Drive, Bethlehem, PA 18018, USA) (Acc. 29-VII-2004) Summary Compared to polygynous species, monogamous males and females are considered more simi- lar in their mate choosiness, yet few studies have explored the mate selection process between the sexes. Here, we examined this mate selection process in the monogamous convict cichlid, Archocentrus nigrofasciatus . We presented an individual ( i.e. the selector) of each sex with a choice of two alternative, visually and tactilely isolated, mates. Tanks were video taped each day until the selector fish spawned with one of the potential mates ( i.e. the accepted mate). The number of visits, length of visits, and courtship interactions were recorded. Selecting females spent significantly more time with accepted versus rejected males ( i.e. females ex- pressed a time-based preference for their chosen males), but there was no significant differ- ence in the number of visits made to either male. Selecting females did not court accepted and rejected males differently, but rejected males courted at a significantly higher rate than did accepted males. Although http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Behaviour Brill

Sex Differences in the Mate Selection Process Of the Monogamous, Biparental Convict Cichlid, Archocentrus Nigrofasciatum

Behaviour, Volume 141 (8): 1041 – Jan 1, 2004

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Publisher
Brill
Copyright
© 2004 Koninklijke Brill NV, Leiden, The Netherlands
ISSN
0005-7959
eISSN
1568-539X
D.O.I.
10.1163/1568539042360125
Publisher site
See Article on Publisher Site

Abstract

SEX DIFFERENCES IN THE MATE SELECTION PROCESS OF THE MONOGAMOUS, BIPARENTAL CONVICT CICHLID, ARCHOCENTRUS NIGROFASCIATUM by NICK SANTANGELO 1) and M. ITZKOWITZ 2) (Lehigh University, 111 Research Drive, Bethlehem, PA 18018, USA) (Acc. 29-VII-2004) Summary Compared to polygynous species, monogamous males and females are considered more simi- lar in their mate choosiness, yet few studies have explored the mate selection process between the sexes. Here, we examined this mate selection process in the monogamous convict cichlid, Archocentrus nigrofasciatus . We presented an individual ( i.e. the selector) of each sex with a choice of two alternative, visually and tactilely isolated, mates. Tanks were video taped each day until the selector fish spawned with one of the potential mates ( i.e. the accepted mate). The number of visits, length of visits, and courtship interactions were recorded. Selecting females spent significantly more time with accepted versus rejected males ( i.e. females ex- pressed a time-based preference for their chosen males), but there was no significant differ- ence in the number of visits made to either male. Selecting females did not court accepted and rejected males differently, but rejected males courted at a significantly higher rate than did accepted males. Although

Journal

BehaviourBrill

Published: Jan 1, 2004

Keywords: MATE SEARCHING; MATE PREFERENCES; ASSESSMENT; COURTSHIP

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