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Vol. 3, No. 2-3, 2009
Issue release date: August 2009
Section title: Review Article
Sex Dev 2009;3:152–163
(DOI:10.1159/000223079)

Evolutionary Perspectives on Hermaphroditism in Fishes

Avise J.C. · Mank J.E.
aDepartment of Ecology and Evolutionary Biology, University of California, Irvine, Calif., USA bDepartment of Zoology, University of Oxford, Oxford, UK

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Article / Publication Details

First-Page Preview
Abstract of Review Article

Received: 7/18/2008
Accepted: 9/22/2008
Published online: 8/10/2009

Number of Print Pages: 12
Number of Figures: 5
Number of Tables: 0

ISSN: 1661-5425 (Print)
eISSN: 1661-5433 (Online)

For additional information: http://www.karger.com/SXD

Abstract

Hermaphroditism is a derived and polyphyletic condition in fishes, documented in about 2% of all extant teleost species scattered across more than 20 taxonomic families in 9 orders. It shows a variety of expressions that can be categorized into sequential and synchronous modes. Among the sequential hermaphrodites are protogynous species in which an individual begins reproductive life as a female and later may switch to male, protandrous species in which a fish starts as a male and later may switch to female, and serial bi-directional sex changers. Among the synchronous hermaphrodites (in which an individual can simultaneously produce eggs and sperm) are several outcrossing and one predominantly selfing species. A few species also consist of mixtures of hermaphroditic and single-sex individuals. All of these reproductive categories have been the subject of numerous theoretical and empirical treatments from an evolutionary perspective. Here we highlight some of the major conclusions from these studies, which collectively have been informative on a variety of biological topics related to reproductive modes, gender allocations, sexual conflict and gamesmanship, mating systems, and life-history tradeoffs.


  

Author Contacts

John C. Avise
Department of Ecology and Evolutionary Biology
University of California
Irvine, CA, 92697 (USA)
Tel. +1 949 824 3925, Fax +1 949 824 2181, E-Mail javise@uci.edu

  

Article Information

Received: July 18, 2008
Accepted: September 22, 2008
Published online: August 10, 2009
Number of Print Pages : 12
Number of Figures : 5, Number of Tables : 0, Number of References : 92

  

Publication Details

Sexual Development (Genetics, Molecular Biology, Evolution, Endocrinology, Embryology, and Pathology of Sex Determination and Differentiation)

Vol. 3, No. 2-3, Year 2009 (Cover Date: August 2009)

Journal Editor: Schmid M. (Würzburg), Scherer G. (Freiburg), Schartl M. (Würzburg)
ISSN: 1661-5425 (Print), eISSN: 1661-5433 (Online)

For additional information: http://www.karger.com/SXD


Article / Publication Details

First-Page Preview
Abstract of Review Article

Received: 7/18/2008
Accepted: 9/22/2008
Published online: 8/10/2009

Number of Print Pages: 12
Number of Figures: 5
Number of Tables: 0

ISSN: 1661-5425 (Print)
eISSN: 1661-5433 (Online)

For additional information: http://www.karger.com/SXD


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