A potential role of male and female androgen in species recognition in a unisexual-bisexual mating complex

Hormones and Behavior
C R Gabor, Matthew S Grober

Abstract

Hormones play a critical role in the regulation of vertebrate mating behavior, including receptivity, and several components of mate choice. However, less is known about the role of these chemical messengers in mediating behavior associated with premating reproductive isolation. The bisexual-unisexual mating complex of sailfin mollies, Poecilia latipinna, and Amazon mollies, Poecilia formosa (sexual parasites of sailfins) has been a model system for studying ultimate mechanisms of species recognition. However proximate mechanisms, such as variation in hormone levels, have not been examined. We paired male sailfin mollies with either female conspecifics or Amazon mollies and obtained water-borne hormone samples before and after mating for all fish. We measured 11-ketotestosterone, testosterone, and estradiol from the water samples. As expected from previous studies, males mated with conspecifics more frequently than with Amazon mollies. 11-Ketotestosterone production by males increased when they mated with female sailfin mollies who themselves also showed elevated production of 11-ketotestosterone. This increase in male and female 11-ketotestosterone levels was not seen when males mated with Amazon mollies. This unique endocrine...Continue Reading

References

Sep 1, 1986·General and Comparative Endocrinology·M KobayashiI Hanyu
Oct 1, 1982·Endocrinology·F H Bronson, C Desjardins
May 20, 1999·Ecotoxicology and Environmental Safety·M BayleyE Baatrup
May 26, 2001·Proceedings. Biological Sciences·C R Gabor, M J Ryan
Jun 19, 2001·Trends in Ecology & Evolution·T M. PanhuisT Tregenza
Jun 19, 2001·Trends in Ecology & Evolution·D Schluter
Oct 20, 2001·Brain, Behavior and Evolution·J C WingfieldK K Soma
Aug 5, 2003·Evolution; International Journal of Organic Evolution·Laurie A Dries
May 1, 1964·Mutation Research·H J MULLER
Nov 1, 1964·Scientific American·D S LEHRMAN
Nov 12, 2003·Hormones and Behavior·Eun-Jin Yang, Walter Wilczynski
Oct 16, 2004·Ecotoxicology and Environmental Safety·Gunnar Toft, Louis J Guillette
Nov 3, 2004·Proceedings of the National Academy of Sciences of the United States of America·Andrea S Aspbury, Caitlin R Gabor
Nov 10, 2005·Hormones and Behavior·Kathleen S LynchWalter Wilczynski
Feb 14, 2006·The American Naturalist·Steven M PhelpsMichael J Ryan
Dec 26, 2006·General and Comparative Endocrinology·Alexander P Scott, Tim Ellis
Nov 23, 2007·Brain, Behavior and Evolution·Kathleen S Lynch, Walter Wilczynski

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Citations

Jan 25, 2013·Evolutionary Applications·Jessica L Ward, Michael J Blum
Oct 17, 2018·Current Zoology·Jeanne Marie RobertsonKristine Kaiser

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