PMID: 11318377Apr 25, 2001Paper

Plasticity of the electric organ discharge waveform of male Brachyhypopomus pinnicaudatus. II. Social effects

Journal of Comparative Physiology. A, Sensory, Neural, and Behavioral Physiology
C R FranchinaPhilip K Stoddard

Abstract

Many electric fish produce sexually dimorphic electric organ discharges. Although electric organ discharges are comprised of action potentials, those of the Gymnotiform family Hypopomidae show significant plasticity in response to stress and time of day. We show here that male Brachyhypopomus pinnicaudatus (Hopkins 1991), adjusts the degree of sexual dimorphism in its electric organ discharge depending on immediate social conditions. Three to five days of isolation resulted in gradual decrease of two sexually dimorphic waveform characters: duration and amplitude. Introduction of a second fish to the experimental tank restored electric organ discharge duration and amplitude. Duration recovered quicker than amplitude, and both recovered faster in the presence of males than females. In studies of other electric fish species, treatment with steroid sex hormones have taken several days to increase sexual dimorphism in the electric organ discharge. The socially induced changes seen in this study are initiated too quickly to involve classic steroid action of genomic transcription and thus may depend on another mechanism. Socially induced regulation of the male's electric organ discharge waveform is consistent with the compromises in s...Continue Reading

Citations

Jan 27, 2006·Journal of Comparative Physiology. A, Neuroethology, Sensory, Neural, and Behavioral Physiology·Philip K StoddardLynne McAnelly
Mar 12, 2009·Journal of Comparative Physiology. A, Neuroethology, Sensory, Neural, and Behavioral Physiology·Rossana PerroneAna Silva
Apr 13, 2013·Journal of Comparative Physiology. A, Neuroethology, Sensory, Neural, and Behavioral Physiology·Sat GavassaPhilip K Stoddard
Dec 10, 2003·Current Opinion in Neurobiology·Harold H Zakon
Dec 25, 2003·Journal of Physiology, Paris·Philip K Stoddard
Mar 8, 2003·The Journal of Experimental Biology·Philip K StoddardVielka L Salazar
Dec 24, 2010·The Journal of Experimental Biology·Philip K Stoddard, Vielka L Salazar
Sep 24, 2005·The Journal of Neuroscience : the Official Journal of the Society for Neuroscience·Michael R Markham, Philip K Stoddard
Dec 1, 2015·Molecular Phylogenetics and Evolution·Victor A TagliacolloJames S Albert
Dec 10, 2008·Hormones and Behavior·Michael R MarkhamPhilip K Stoddard
Jul 12, 2005·Hormones and Behavior·Andrew H Bass, Harold H Zakon
Jun 6, 2012·Animal Behaviour·Sat GavassaPhilip K Stoddard
Jul 11, 2014·PLoS Computational Biology·Federico PedrajaRuben Budelli
Jul 21, 2016·Evolution; International Journal of Organic Evolution·Sophie PicqRüdiger Krahe
Aug 24, 2016·Integrative and Comparative Biology·Michael R MarkhamRosalie Maltby
Oct 23, 2016·Journal of Physiology, Paris·William R PitchersJason R Gallant
Feb 17, 2017·The Journal of Experimental Biology·Alejo Rodríguez-CattaneoAngel A Caputi
Feb 8, 2019·Journal of Fish Biology·William G R Crampton
Dec 4, 2019·Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences·Ahmed A ElbassiounyBelinda S W Chang
May 14, 2003·Journal of Comparative Physiology. A, Neuroethology, Sensory, Neural, and Behavioral Physiology·L McAnellyH H Zakon
Jan 1, 2008·Bioscience·Philip K Stoddard, Michael R Markham
Jul 19, 2018·The Journal of Experimental Biology·Kerri Lynn AckerlyLauren J Chapman
Jun 14, 2013·The Journal of Experimental Biology·Sat GavassaPhilip K Stoddard
Jun 14, 2013·The Journal of Experimental Biology·Michael R Markham
Jun 14, 2013·The Journal of Experimental Biology·Vielka L SalazarJohn E Lewis
Jun 11, 2021·The Journal of Experimental Biology·David E SaenzMichael R Markham
Aug 20, 2021·The Journal of Experimental Biology·David E SaenzMichael R Markham
Sep 4, 2021·Integrative and Comparative Biology·Skye D FissetteWeiming Li
Nov 10, 2021·The Journal of Experimental Biology·Te K JonesCynthia F Moss

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