Sex-change and gonadal steroids in sequentially-hermaphroditic teleost fish

Sex-change and gonadal steroids in sequentially-hermaphroditic teleost fish Sex-change is an intriguing phenomenon that is common among certain groups of teleost fishes. The process itself has a number of independent origins, although in each case it is initiated and (or) regulated by gonadal steroids. Despite the commercial importance of sex-change technology to fish culturists, our understanding of the relationship between steroids and sex-change is, at best, rudimentary. In this paper I review the current state of knowledge concerning (a) which steroids are involved, (b) how such steroids mediate sex-change, and (c) how steroidogenesis is regulated during gonadal transition. I conclude that the steroidal endocrinology of sex-change is multifarious and species specific – a result which challenges the relative stability of vertebrate endocrine axes, but one which probably reflects the independent evolution of this adaptation. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Reviews in Fish Biology and Fisheries Springer Journals

Sex-change and gonadal steroids in sequentially-hermaphroditic teleost fish

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Publisher
Kluwer Academic Publishers
Copyright
Copyright © 2005 by Springer
Subject
Life Sciences; Freshwater & Marine Ecology; Zoology
ISSN
0960-3166
eISSN
1573-5184
D.O.I.
10.1007/s11160-005-3586-8
Publisher site
See Article on Publisher Site

Abstract

Sex-change is an intriguing phenomenon that is common among certain groups of teleost fishes. The process itself has a number of independent origins, although in each case it is initiated and (or) regulated by gonadal steroids. Despite the commercial importance of sex-change technology to fish culturists, our understanding of the relationship between steroids and sex-change is, at best, rudimentary. In this paper I review the current state of knowledge concerning (a) which steroids are involved, (b) how such steroids mediate sex-change, and (c) how steroidogenesis is regulated during gonadal transition. I conclude that the steroidal endocrinology of sex-change is multifarious and species specific – a result which challenges the relative stability of vertebrate endocrine axes, but one which probably reflects the independent evolution of this adaptation.

Journal

Reviews in Fish Biology and FisheriesSpringer Journals

Published: Jun 22, 2005

References

  • Environment and sex determination in farmed fish
    Baroiller, J-F.; D’Cotta, H.
  • Endocrine and environmental aspects of sex differentiation in fish
    Baroiller, J-F.; Guiguen, Y.; Fostier, A.
  • Monosex male production in finfish as exemplified by tilapia: Applications, problems, and prospects
    Beardmore, J.A.; Mair, G.C.; Lewis, R.I.
  • Reproductive cycle and sex inversion in razor fish, a protogynous labrid in the southern Mediterranean Sea
    Candi, G.; Castriota, L.; Andaloro, F.; Finoia, M.G.; Marino, G.
  • Effects of 11-Ketotestosterone on genital papilla morphology in the sex changing fish Lythrypnus dalli
    Carlisle, S.L.; Marxer-Miller, S.K.; Canario, A.V.M.; Oliveira, R.F.; Carneiro, L.; Grober, M.S.

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