The phylogenetic distribution of a female preference

Alexandra L. Basolo

Research output: Contribution to journalArticlepeer-review

61 Scopus citations


Robust phylogenetic information can be instrumental to the study of the evolution of female mating preferences and preferred male traits. In this paper, the evolution of a preexisting female bias favoring a sword in male swordtail fish and the evolution of the sword, a complex character, are used to demonstrate how the evolution of mating preferences and preferred traits can be examined in a phylogenetic context. Phylogenetic information suggests that a preference for a sword arose prior to the evolution of the sword in the genus Xiphophorus and that the sword was adaptive at its origin. A phylogenetic approach to the study of female preferences and male traits can also be informative when used in conjunction with mate choice theory in making predictions about evolutionary changes in an initial bias, both prior to the appearance of the male trait it favors and subsequent to the appearance of the trait.

Original languageEnglish (US)
Pages (from-to)290-307
Number of pages18
JournalSystematic Biology
Issue number3
StatePublished - Sep 1996


  • Female preference
  • Mate choice
  • Preexisting biases
  • Priapella
  • Sword
  • Swordtail
  • Xiphophorus

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Genetics

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