Proffitt, M.R. and Smith, G.T. 2024. Species variation in steroid hormone-related gene expression contributes to species diversity in sexually dimorphic communication in electric fishes. Horm. Behav. 164:105576. doi:org/10.1016/j.yhbeh.2024.105576.

Freiler, M.K., Deckard, M.L., Proffitt, M.R., and Smith, G.T. 2024. Differential expression of steroid-related genes across electrosensory brain regions in two sexually dimorphic species of electric knifefish. Gen. Comp. Endocrinol. 355:114549. doi:org/10.1016/j.ygcen.2024.114549.

Freiler, M.K. and Smith, G.T. 2023. Neuroendocrine mechanisms contributing to the coevolution of sociality and communication. Front. Neuroendocrinol. 2023:101077. doi:10.1016/y.yfrne.2023.101077.

Proffitt, M.R., Liu, X., Ortlund, E.A., and Smith, G.T. 2023. Evolution of androgen receptors contributes to species variation in androgenic regulation of communication signals in electric fishes. Mol. Cell. Endocrinol. 578:112068. doi:10.1016/j.mce.2023.112068.

Freiler, M.K., Proffitt, M.R., and Smith, G.T. 2022. Electrocommunication signals and aggressive behavior varies among male morphs in an apteronotid fish, Compsaraia samueli. J. Exp. Biol. 22:jeb243452. doi:10.1242/jeb.243452.

Smith, G.T. 2019. Communication and Hormones. In: Chloe, J. (ed.) Encyclopedia of Animal Behavior, 2nd Edition, Elsevier, Vol. 2, pp. 352-363.

Petzold, J.M., Alves-Gomes, J.A., and Smith, G.T. 2018. Chirping and an asymmetric jamming avoidance response in the electric fish Distocyclus conirostris. J. Exp. Biol. 22:jeb1789131.  doi: 10.1242/jeb.178913

Thompson, A., Infield, D.T., Smith, A.R., Smith, G.T., Ahern, C.A., and Zakon, H.H. 2018. Rapid evolution of a voltage-gated sodium channel gene in a lineage of electric fish leads to a persistent sodium current. PLOS Biol. 204:93-112.  doi: 10.1371/journal.pbio.2004892

Smith, G.T., Proffitt, M.R., Smith, A.R., and Rusch, D.B. 2018. Genes linked to species diversity in a sexually dimorphic communication signal in electric fish. J. Comp. Physiol. A 204:93-112.  doi: 10.1007/s00359-017-1223-3

Petzold, J.M., Marsat, G. and Smith, G.T. 2016. Co-adaptation of electric organ discharges and chirps in South American ghost knifefishes (Apteronotidae) J. Physiol. – Paris 110:200-215.  doi: 10.1016/j.jphysparis.2016.10.005

Smith, A.R., Proffitt, M.R., Ho, W.W., Mullaney, C.B., Maldonado-Ocampo, J.A., Lovejoy, N.R. Alves-Gomes, J.A. and Smith, G.T. 2016. Evolution of electric communication signals in the South American ghost knifefishes (Gymnotiformes: Apteronotidae): A phylogenetic comparative study using a sequence-based phylogeny. J. Physiol. – Paris 110:302-313.  doi: 10.1016/j.jphysparis.2016.10.002

Petzold, J.M. and Smith, G.T. 2016. Androgens regulate sex differences in signaling but are not associated with male variation in morphology in the weakly electric fish Parapteronotus hasemani. Horm. Behav. 78:67-71.  doi: 10.1016/j.yhbeh.2015.10.014

Ho, W.W., Turner, C.R., and Smith, G.T. 2013. Sex differences in the electrocommunication signals of Sternarchogiton nattereri (Gymnotiformes: Apteronotidae). J. Ethol. 31:335-340.  doi: 10.1007/s10164-013-0382-0

Ho, W.W., Turner, C.R., and Smith, G.T. 2013. Transition across polymorphic phenotypes in a male Sternarchogiton nattereri (Gymnotiformes: Apteronotidae). J. Fish Biol. 83:667-670.  doi:10.1111/jfb.12188

Ho, W.W., Rack, J.M., and Smith, G.T. 2013. Divergence in androgen sensitivity contributes to population differences in sexual dimorphism of electrocommunication behavior. Horm. Behav. 63(1):49-53.  doi:10.1016/j.yhbeh.2012.11.002

Allen, A.R. and Smith, G.T. 2012. Spinal transection induces widespread proliferation of cells along the length of the spinal cord in a weakly electric fish. Brain Behav. Evol. 80(4):269-80.  doi:10.1159/000342485

Ho, W.W., Cox Fernandes, C., Alves-Gomes, J., and Smith, G.T. 2010. Sex differences in the electrocommunication signals of the electric fish Apteronotus bonapartii. Ethology. 116:1050-1064.  doi:10.1111%2Fj.1439-0310.2010.01823.x

Cox Fernandes, C., Smith, G.T., Podos, J., Nogueira, A., Inoue, L., Akama, A., Ho, W.W., and Alves-Gomes, J. 2010. Hormonal and behavioral correlates of morphological variation in an Amazonian electric fish (Sternarchogiton nattereri: Apteronotidae). Horm. Behav. 58:660-668.  doi:10.1016/j.yhbeh.2010.06.006

Smith G.T. 2010. Communication and Hormones. In: Breed M.D. and Moore J.,(eds.) Encyclopedia of Animal Behavior, volume 1, pp. 317-328 Oxford: Academic Press. doi:10.1016/B978-0-08-045337-8.00246-1

Zakon, H.H. and Smith, G.T. 2009. Weakly electric fish: behavior, neurobiology, and neuroendocrinology. In: Hormones, Brain, and Behavior, 2nd Edition (eds. Pfaff, D., Arnold, A., Etgen, A., Fahrbach, S., Moss, R., and Rubin, R.) New York: Academic Press. pp. 611-638.  doi:10.1016/B978-008088783-8.00017-6

Smith, G.T. and Combs, N. 2008. Serotonergic activation of 5HT1A and 5HT2 receptors modulates sexually dimorphic communication signals in the weakly electric fish Apteronotus leptorhynchus. Horm. and Behav.54:69-82.  doi:10.1016/j.yhbeh.2008.01.009

Turner, C.R., Derylo, M., de Santana, C.D., Alves-Gomes, J.A., and Smith, G.T. 2007. Phylogenetic comparative analysis of electric communication signals in ghost knifefishes (Gymnotiformes: Apteronotidae). J. Exp. Biol. 210:4104-4122. doi:10.1242/jeb.007930

Kolodziejski, J.A., Sanford, S., and Smith, G.T. 2007. Stimulus frequency differentially affects chirping in two species of weakly electric fish: implications for the evolution of signal structure and function. J. Exp. Biol. 210:2501-2510.  doi:10.1242/jeb.005272

Telgkamp, P., Combs, N., and Smith, G.T. 2007. Serotonin in a diencephalic nucleus controlling communication in an electric fish: Sexual dimorphism and relationship to indicators of dominance. Devel. Neurobiol. 67:339-354.  doi:10.1002/dneu.20356

Zhou, M. and Smith, G.T. 2006. Structure and sexual dimorphism of the electrocommunication signals of the weakly electric fish Adontosternarchus devenanzii. J. Exp. Biol. 209:4809-4818.  doi:10.1242/jeb.02579

Smith, G.T., Unguez, G.A., and Weber, C. 2006. Distribution of Kv1-like potassium channels in the electromotor and electrosensory systems of a weakly electric fish. J. Neurobiol. 66:1011-1031.  doi:10.1002/neu.20283

Smith, G.T. 2006. Pharmacological characterization of ionic currents that regulate high-frequency spontaneous activity of electromotor neurons in the weakly electric fish Apteronotus leptorhynchus. J. Neurobiol. 66:1-18.  doi:10.1002/neu.20202

Kolodziejski, J.A., Nelson, B.S., and Smith, G.T. 2005. Sex and species differences in neuromodulatory input to a premotor nucleus: a comparative study of substance P and communication behavior in weakly electric fish. J. Neurobiol. 62:299-315.  doi:10.1002/neu.20095

Smith, G.T., Allen, A.R., Gammie, S.C., and Oestreich, J. 2005. L-citrulline immunoreactivity reveals nitric oxide production in the electromotor and electrosensory systems of the weakly electric fish, Apteronotus leptorhynchus. Brain Behav. Evol. 65:1-13.  doi:10.1159/000081106