FEMALE PREFERENCES FOR NATURALLY-OCCURRING NOVEL MALE TRAITS

FEMALE PREFERENCES FOR NATURALLY-OCCURRING NOVEL MALE TRAITS FEMALE PREFERENCES FOR NATURALLY-OCCURRING NOVEL MALE TRAITS by INGO SCHLUPP 1,2,3) , MEIKE WASCHULEWSKI 1) and MICHAEL J. RYAN 1,4) ( 1 Universität Hamburg, Zoologisches Institut und Museum, Martin-Luther-King-Platz 3, D-20146 Hamburg, Germany; 2 University of Texas, Department of Zoology, Austin, TX 78712, USA) (Acc. 6-IV-1999) Summary We report two independent cases of female preferences for novel male traits in two species of poeciliid Ž sh, Poecilia latipinna and Poecilia mexicana . In both cases the preference predates the occurrence of the trait, lending strong support to the pre-existing bias hypotheses. This support is independent of the assumptions associated with phylogenetic inference. Unlike the two sexual species, the unisexual hybrid P. formosa had no detectable preference for the novel male traits. Keywords: pre-existing bias, novel ornament, sexual selection, tumor, Poecilia latipinna , Poecilia mexicana , Poecilia formosa . Introduction The temporal sequence of the evolution of preferences and traits is almost always unknown. Both trait and preference can evolve simultaneously or either trait or preference can evolve Ž rst and then come under sexual 3) Corresponding author; e-mail address: schlupp@uni-hamburg.de 4) We thank C. Bell and L. Higgins for help with collecting the Ž sh in Texas. L. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Behaviour Brill

FEMALE PREFERENCES FOR NATURALLY-OCCURRING NOVEL MALE TRAITS

Behaviour, Volume 136 (4): 519 – Jan 1, 1999

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Publisher
Brill
Copyright
© 1999 Koninklijke Brill NV, Leiden, The Netherlands
ISSN
0005-7959
eISSN
1568-539X
DOI
10.1163/156853999501450
Publisher site
See Article on Publisher Site

Abstract

FEMALE PREFERENCES FOR NATURALLY-OCCURRING NOVEL MALE TRAITS by INGO SCHLUPP 1,2,3) , MEIKE WASCHULEWSKI 1) and MICHAEL J. RYAN 1,4) ( 1 Universität Hamburg, Zoologisches Institut und Museum, Martin-Luther-King-Platz 3, D-20146 Hamburg, Germany; 2 University of Texas, Department of Zoology, Austin, TX 78712, USA) (Acc. 6-IV-1999) Summary We report two independent cases of female preferences for novel male traits in two species of poeciliid Ž sh, Poecilia latipinna and Poecilia mexicana . In both cases the preference predates the occurrence of the trait, lending strong support to the pre-existing bias hypotheses. This support is independent of the assumptions associated with phylogenetic inference. Unlike the two sexual species, the unisexual hybrid P. formosa had no detectable preference for the novel male traits. Keywords: pre-existing bias, novel ornament, sexual selection, tumor, Poecilia latipinna , Poecilia mexicana , Poecilia formosa . Introduction The temporal sequence of the evolution of preferences and traits is almost always unknown. Both trait and preference can evolve simultaneously or either trait or preference can evolve Ž rst and then come under sexual 3) Corresponding author; e-mail address: schlupp@uni-hamburg.de 4) We thank C. Bell and L. Higgins for help with collecting the Ž sh in Texas. L.

Journal

BehaviourBrill

Published: Jan 1, 1999

Keywords: POECILIA FORMOSA; POECILIA LATIPINNA; POECILIA MEXICANA; NOVEL ORNAMENT; PRE-EXISTING BIAS; SEXUAL SELECTION

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