publications

Rivi, V., Rigillo, G., Alboni, S., Koene, J.M., Pani, L., Lukowiak, K., Tascedda, F. Blom, J.M.C. & Benatti, C. 2025. Unraveling lipopolysaccharide-induced behavioral and molecular effects in Lymnaea stagnalis, an emerging model organism for translational neuroscience. International Immunopharmacology 152: 114418 (PDF, 4.9 Mb) Moussaoui, R. De Moor, L., Benbellil-Tafoughalt, S. & Koene, J.M. 2025. The influenced of hypoxic conditions on mating behaviour in a bimodal breather, the great pond snail Lymnaea stagnalis. Ecological and Evolutionary Physiology 98: 41-47 (PDF, 207 Kb) Böttner, L., Dudenhausen, F., Nouere, S., Malacrinò, A., Schäfer, M., Koene, J.M., Huber, M. & Xu, S. 2025. Herbivory can increase plant fitness via reduced interspecific competition—evidence from models and mesocosms. Proc. R. Soc. B. 292: 20241149 (PDF, 14.7 Mb) Ilyaskina, D., Nakadera, Y., Lamoree, M.H., Koene, J.M. & Leonards, P.E.G. 2025. Impact of fluoxetine exposure on Lymnaea stagnalis and its developing eggs: integrating untargeted lipidomics, targeted metabolomics, and classical risk assessment. Front. Pharmacol. 16: 1536438. (PDF, 2.7 Mb) Koene, J.M., Jackson, D.J., Nakadera, Y., Cerveau, N., Madoui, M.-A., Noel, B., Jamilloux, V. Poulain, J., Labadie, K., Da Silva, C., Davison, A., Feng, Z.-P., Adema, C.M., Klopp, C., Aury, J.M., Wincker, P. & Coutellec, M.-A. 2024. The genome of the simultaneously hermaphroditic snail Lymnaea stagnalis reveals an evolutionary expansion of FMRFamide-like receptors. Scientific Reports 14: 29213 (PDF, 3.9 Mb) Pirger, Z., Urbán, P., Gálik, B., Kiss, B., Tapodi, A., Schmidt, J., Tóth, G.K., Koene, J.M., Kemenes, G., Reglődi, D., Kiss, T. & Fodor, I. 2024. Same same, but different: exploring the enigmatic role of the pituitary adenylate cyclase-activating polypeptide (PACAP) in invertebrate physiology. Journal of Comparative Physiolgy A 210: 909–925 (PDF, 2.5 Mb) Van Dijk, S.M., Zizzari, V.Z., Koene, J.M. & Nakadera, Y. 2024. Sublethal heat reduces overall reproductive investment and male allocation in a simultaneously hermaphroditic snail species. Royal Society Open Science 11: 231287 (PDF, 491 Kb) Kortsmit, Y., Mari�n, J., Nakadera, Y. & Koene, J.M. 2024. Dynamics of seminal fluid production after mating. Molecular Reproduction and Development 91: e23732 (PDF, 610 Kb) Ledder, M., Nakadera, Y, Staikou, A & Koene, J.M. 2023. Dominant gingers - discovery and inheritance of a new shell polymorphism in the great pond snail Lymnaea stagnalis. Ecology & Evolution 13: e10678 (PDF, 686 Kb) Bonel, N., Nakadera, Y., Piz�, J., V�zquez, A.A., Koene, J.M., David, P., Jarne, P. & Alda, P. 2023. Reproductive strategies, genetic diversity, and invasive ability in Lymnaeidae. In: The Lymnaeidae - Natural History and Parasitological Significance (A.A. V�zquez & M.V. Vinarski), Zoological Monographs (Springer Nature Zoological Series) (PDF, 601 Kb) Palmeira, M, Nakadera, Y & Koene J.M. 2023. Mating motivation: the effect of eliminating the male function on sexual behaviour in a simultaneous hermaphrodite. Animal Behaviour 201: 45-51 (PDF, 572 Kb) Koene, J.M. 2023. Obituary Professor Chase 1940-2022: Professor Chase, Ron for some� The Malacologist, 80: 27-28 (PDF, 512 Kb) Hakala, S.M., Fujioka, H., Gapp, K., De Gasperin, O., Genzoni, E., Kilner, R., Koene, J.M., K�nig, B., Linksvayer, T.A., Meurville, M.-P., Negroni, M.A., Palejowski, H., Wigby, S. & LeBoeuf, A.C. 2023. Socially transferred materials: how and why to study them. Trends in Ecology & Evolution 38: 446-458 (PDF, 2 Mb) Baz, E-S, Hussein, A.A.A., Vreeker, E.M.T., Solimana, M.F.M., Tadrosc, M.M., El-Shenawya, N.S. & Koene, J.M. 2022. Consequences of artificial light at night on behavior, reproduction, and development of Lymnaea stagnalis. Environmental Pollution 307: 119507 (PDF, 2.1 Mb) �lvarez, B., Koene, J.M., Hollis, K.L. & Loy, I. 2022. Learning to anticipate mate presence shapes individual sex roles in the hermaphroditic pond snail, Lymnaea stagnalis. Animal Cognition: https://doi.org/10.1007/s10071-022-01623-7 (PDF, 793 Kb) �lvarez, B. & Koene, J.M. 2022. Cognition and its shaping effect on sexual conflict: Integrating biology and psychology. Frontiers in Integrative Neuroscience 16:826304 (PDF, 277 Kb) Fodor, I, Koene, J.M. & Pirger, Z. 2021. Neuronal transcriptome analysis of a widely recognised molluscan model organism highlights the absence of key proteins involved in the de novo synthesis and receptor-mediation of sex steroids in vertebrates. Malacologia 64:69-77 (PDF, 1.7 Mb) Hussein, A.A.A., Bloem, E., Fodor, I., Baz, E.S., Tadros, M.M., Soliman, M.F.M., El-Shenawy, N.S. & Koene, J.M. 2021. Slowly seeing the light: An integrative review on ecological light pollution as a potential threat for mollusks. Environmental Science and Pollution Research 28:5036�5048 (PDF, 497Kb) Dong, N., Bandura, J., Zhang, Z., Wang, Y., Labadie, K., Noel, B., Koene, J.M., Sun, H.-S., Coutellec, M.A. & Feng, Z.P. 2021. Ion channel profiling of the Lymnaea stagnalis ganglia via transcriptome analysis. BMC Genomics 22: 18 (PDF, 6.2Mb) Schilthuizen, M., Van Oostenbrugge, W., Visser, S., Van der Meer, M., Delval, R., Dias, C., K�ster, H., Maarschall, R., Peeters, N., Venema, P., Zaremba, R., Beltrami, C., Rossato, M., Latella, L., Nieuwenhuis, F., De Rop, N., Njunjic, I., Perreau, M. & Koene, J.M. 2021. Ptomaphagus thebeatles n. sp., a previously unrecognized beetle from Europe, with remarks on urban taxonomy and recent range expansion (Coleoptera: Leiodidae). Contributions to Zoology 90: 2021 (PDF, 23.2Mb) Hussein, A.A.A., Baz, E.S., Mari�n, J., Tadros, M.M., El-Shenawy, N.S. & Koene, J.M. 2020. Effect of photoperiod and light intensity on learning ability and memory formation of the pond snail Lymnaea stagnalis. Invertebrate Neuroscience 20: 18 (PDF, 1.1Mb) Nakadera, Y., Smith, A.T., Daupagne, L., Coutellec, M.-A., Koene, J.M. & Ramm, S.A. 2020. Divergence of seminal fluid gene expression and function among natural snail populations. Journal of Evolutionary Biology, 33: 1440�1451 (PDF, 820Kb) Fodor, I, Zrinyi, Z., Horv�th, R, Urb�n, P., Herczeg, R., B�ki, G, Koene, J.M., Tsai, P.-S. & Pirger, Z. 2020. Identification, presence, and possible multifunctional regulatory role of invertebrate gonadotropin-releasing hormone/corazonin molecule in the great pond snail (Lymnaea stagnalis). General and Comparative Endocrinology 299: 113621 (PDF, 4.2Mb) Daupagne, L. & Koene, J.M. 2020. Disentangling female postmating responses induced by semen transfer components in a simultaneous hermaphrodite. Animal Behaviour 166: 147-152 (PDF, 321 Kb) Fodor, I., Hussein A.A.A., Benjamin, P.R., Koene, J.M. & Pirger, Z. 2020. The unlimited potential of the great pond snail, Lymnaea stagnalis. eLife 9: e56962 (PDF, 1.3Mb) Fodor, I., Urb�n, P., Kemenes, G., Koene, J.M. & Pirger, Z. 2020. Aging and disease-relevant gene products in the neuronal transcriptome of the great pond snail (Lymnaea stagnalis): a potential model of aging, age-related memory loss, and neurodegenerative diseases. Invertebrate Neuroscience 20: 9 (PDF, 598Kb) Swart, E.M., Starkloff, N.C., Ypenburg, S., Ellers, J., Van Straalen, N.M. & Koene, J.M. 2020. The effect of mating on female reproduction across hermaphroditic freshwater snails. Invertebrate Biology 139: e12275 (PDF, 1.2Mb) Van Achterberg, K., Schilthuizen, M., Lammers, M., Van der Meer, M., Delval, R., Dias, C., Hoynck, M., K�ster, H., Maarschall, R., Peeters, N., Venema, P., Zaremba, R., Beltrami, C., Nieuwenhuis, F., De Rop, N., Njunjic, I. & Koene, J.M. 2020. A new parasitoid wasp, Aphaereta vondelparkensis sp. n. (Braconidae, Alysiinae), from a city park in the centre of Amsterdam. Biodiversity Data Journal 8: e49017. (PDF, 5.2Mb; see also Corrigendum by Schilthuizen & Van Achterberg 2020) Swart, E.M., Davison, A., Ellers, J., Filangieri, R.R., Jackson, D.J., Mari�n, J., Van der Ouderaa, I.B.C., Roelofs, D. & Koene, J.M. 2019. Temporal expression profile of an accessory-gland protein that is transferred via the seminal fluid of the simultaneous hermaphrodite Lymnaea stagnalis. Journal of Molluscan Studies 85: 177�183 (PDF, 470Kb) Weggelaar, T.A., Commandeur, D. & Koene, J.M. 2019. Increased copulation duration does not necessarily reflect a proportional increase in the number of transferred spermatozoa. Animal Biology 69: 95�115 (PDF, 532Kb) Zizzari, Z.V. & Koene, J.M. 2019. New perspectives on meeting and mating. Animal Biology 69: 1�4 (PDF, 148Kb) Alvarez, B. & Koene, J.M. 2019. Sexual conflict in nonhumans. In: Encyclopedia of Evolutionary Psychological Science (eds. T.K. Shackelford & V. Weekes-Shackelford), Springer International Publishing (PDF, 298Kb) Moussaoui, R., Verdel, V., Benbellil-Tafoughalt, S. & Koene, J.M. 2018. Female behaviour prior to additional sperm receipt in the hermaphroditic pond snail Lymnaea stagnalis. Invertebrate Reproduction & Development 62: 82-91 (PDF, 1.2Mb) J�kely, G., Melzer, S., Beets, I., Kadow, I.C.G., Koene, J.M., Haddad, S. & Holden-Dye, L. 2018. The long and the short of it - a perspective on peptidergic regulation of circuits and behaviour. Journal of Experimental Biology 221: jeb166710 (PDF, 1.3Mb) Abdelli, M., Benbellil-Tafoughalt, S. & Koene, J.M. 2018. Intra-specific morphological variation of the spermatheca in the simultaneously hermaphroditic land snail Helix aperta. Zoomorphology 137: 51�61 (PDF, 597Kb) Lodi, M., Staikou, A, Janssen, R. & Koene, J.M. 2017. High level of sperm competition may increase transfer of accessory gland products carried by the love dart of land snails. Ecology & Evolution 7: 11148-11156 (PDF, 648Kb) Lodi, M., Meijer, F.W. & Koene, J.M. 2017. Ejaculates are not used as nuptial gifts in simultaneously hermaphroditic snails. Zoology 123: 30�36 (PDF, 785Kb) Zizzari, Z.V., Jessen, A. & Koene, J.M. 2017. Male reproductive suppression: not a social affair. Current Zoology 63: 573�579 (PDF, 188Kb) Hoffer, J.N.A., Mari�n, J., Ellers, J. & Koene J.M. 2017. Sexual selection gradients change over time in a simultaneous hermaphrodite. eLife, 6: e25139 (PDF, 1.1Mb) Adema, C.M., Hillier, L.W., Jones, C.S., Loker, E.S., Knight, M., Minx, P., Guilherme, O., Raghavan, N., Shedlock, A., Amaral, L.R. do, Arican-Goktas, H.D., Assis, J., Baba, E.H., Baron, O.L., Bayne, C.J., Bickham-Wright, U., Biggar, K.K., Blouin, M., Bonning, B.C., Botka, C., Bridger, J.M., Buckley, K.M., Buddenborg, S.K., Caldeira, R.L., Carleton, J., Carvalho, O.S., Castillo, M.G., Chalmers, I.W., Christensens, M., Clifton, S., Cosseau, C., Coustau, C., Cripps, R.M., Cuesta-Astroz, Y., Cummins, S.F., diStephano, L., Dinguirard, N., Duval, D., Emrich, S., Feschotte, C., Feyereisen, R., FitzGerald, P., Fronick, C., Fulton, L., Galinier, R., Geusz, M., Geyer, K.K., Giraldo-Calderon, G., Gomes de Souza, M., Gordy, M.A., Gourbal, B., Grossi, S., Grunau, C., Hanington, P.C., Hoffmann, K.F., Hughes, D., Humphries, J., Izinara, R., Jackson, D.J., Jannotti-Passos, L.K., Jeremias de Jesus, W., Jobling, S., Kamel, B., Kapusta, A., Kaur, S., Koene, J.M., Kohn, A.B., Lawson, D., Lawton, S.P., Liang, D., Limpanont, Y., Lockyer, A.E., Lovato, T.L., Liu, S., Magrini, V., McManus, D.P., Medina, M., Misra, M., Mitta, G., Mkoji, G.M., Montague, M.J., Montelongo, C., Moroz, L.L., Munoz-Torres, M.C., Niazi, U., Noble, L.R., Pais, F., Papenfuss, A.T., Peace, R., Pena, J.J., Pila, E.A., Quelais, T., Raney, B.J., Rast, J.P., Ribeiro, F., Rollinson, D., Rotgans, B., Routledge, E.J., Ryan, K.M., Scholte, L., Silva, F., Storey, K.B., Swain, M., Tennessen, J.A., Tomlinson, C., Trujillo, D.L., Volpi, E.V., Walker, A.J., Wang, T., Wannaporn, I., Warren, W.C., Wu, X.-J., Yoshino, T.P., Yusuf, M., Zhang, S.-M., Zhao, M., Wilson, R. 2017. Whole genome analysis of a schistosomiasis-transmitting freshwater snail. Nature Communications 8: 15451 (PDF, 1.5Mb) Di Cristo, C. & Koene, J.M. 2017. Neurobiology of reproduction in mollusks: Mechanisms and evolution. In: The Oxford Handbook of Invertebrate Neurobiology (ed. J.H. Byrne), Oxford University Press Get your reprint via OUP online or joris.koene-at-vu.nl See book content at OUP Lodi, M. & Koene, J.M. 2017. Hidden female physiological resistance to male accessory gland substances in a simultaneous hermaphrodite. Journal of Experimental Biology 220: 1026-1031 (PDF, 489Kb) Koene, J.M. 2017. Sex determination and gender expression: reproductive investment in snails. Molecular Reproduction and Development 84: 132�143 (PDF, 571Kb) Nakadera, Y., Mariën, J., Van Straalen, N.M. & Koene, J.M. 2017. Multiple mating in natural populations of a simultaneous hermaphrodite, Lymnaea stagnalis. Journal of Molluscan Studies 83: 56-62 (PDF, 378Kb) Koene, J.M. 2016. The physiology of pre- and postcopulatory sexual selection in simultaneously hermaphroditic freshwater snails. In: Physiology of Molluscs (eds. A.S.M. Saleuddin & S.T. Mukai), pp. 271-310, Apple Academic Press, Inc. Get your reprint via joris.koene-at-vu.nl See book content at AAP Lodi, M. & Koene, J.M. 2016. On the effect specificity of accessory gland products transferred by the love-dart of land snails. BMC Evolutionary Biology 16:104 (PDF, 1.3Mb) Stewart, M.J., Wang, T., Koene, J.M., Storey, K.B. & Cummins, S.F. 2016. A love dart allohormone identified in the mucous glands of hermaphroditic land snails. Journal of Biological Chemistry 291: 7938-7950 (PDF, 6.0Mb) (Supporting information Supplemental information, PDF, 2.9Mb) Lodi, M. & Koene, J.M. 2016. The love-darts of land snails: integrating physiology, morphology and behaviour. Journal of Molluscan Studies 82: 1-10 (PDF, 514Kb) El Filali, Z., De Boer, P.A.C.M., Pieneman, A.W., De Lange, R.P.J., Jansen, R.F., Ter Maat, A., Van der Schors, R.C., Li, K.W., Van Straalen, N.M. & Koene, J.M. 2015. Single-cell analysis of peptide expression and electrophysiology of right parietal neurons involved in male copulation behavior of a simultaneous hermaphrodite. Invertebrate Neuroscience, 15: 7 (PDF, 858Kb) Reyes-Tur, B., Allen, J.A., Cuellar-Araujo, N., Hernández, N., Lodi, M., Méndez-Hernández, A.A. & Koene, J.M. 2015. Mating behaviour, dart shape and spermatophore morphology of the Cuban tree snail Polymita picta (Born, 1780). Journal of Molluscan Studies 81: 187�195 (PDF, 626Kb) Nakadera, Y., Swart, E.M., Maas, J.P.A., Montagne-Wajer, K., Ter Maat, A. & Koene, J.M. 2015. Effects of age, size and mating history on sex role decision of a simultaneous hermaphrodite. Behavioral Ecology 26: 232-241 (PDF, 1.195Kb) (Supporting information Supplemental information, DOCX, 68Kb) Benbellil-Tafoughalt, S. & Koene, J.M. 2015. Influence of season, temperature, and photoperiod on growth of the land snail Helix aperta. Invertebrate Reproduction & Developement 59: 37�43 (PDF, 217Kb) Zimmer, E.I., Ducrot, V., Jager, T., Koene, J.M., Lagadic, L. & Kooijman S.A.L.M. 2014. Metabolic acceleration in the pond snail Lymnaea stagnalis? Journal of Sea Research 94: 84�91 (PDF, 514Kb) Lewis, S.M., Vahed, K., Koene, J.M., Engqvist, L., Bussiere, L.F., Perry, J.C., Gwynne, D. & Lehmann, G.U.C. 2014. Emerging issues in the evolution of animal nuptial gifts. Biology Letters 10: 20140336 (PDF, 208Kb) Nakadera, Y., Swart, E.M., Hoffer, J.N.A., Den Boon, O., Ellers, J. & Koene, J.M. 2014. Receipt of seminal fluid proteins causes reduction of male investment in a simultaneous hermaphrodite. Current Biology 24: 1-4 (PDF, 221Kb) (Supporting information Supplemental information 1, PDF, 147Kb) Zizzari, Z.V., Smolders, I. & Koene, J.M. 2014. Alternative delivery of male accessory gland products. Frontiers in Zoology 11: 32 (PDF, 378Kb) Kimura, K., Chiba, S. & Koene, J.M. 2014. Common effect of the mucus transferred during mating in two dart-shooting snail species from different families. Journal of Experimental Biology 217: 1150-1153 (PDF, 1.3Mb) Van Iersel, S., Swart, E.M., Nakadera, Y., Van Straalen, N.M. & Koene, J.M. 2014. Effect of male accessory gland products on egg laying in gastropod molluscs. Journal of Visualized Experiments 88: e51698 (Video link: http://www.jove.com/video/51698) (PDF, 167Kb) (Supplement: PDF, 57Kb) Nakadera, Y., Blom, C. & Koene, J.M. 2014. Duration of sperm storage in the simultaneous hermaphrodite Lymnaea stagnalis. Journal of Molluscan Studies 80: 1-7 (PDF, 335Kb) Koene, J.M., Liew, T.-S., Montagne-Wajer, K. & Schilthuizen, M. 2013. A syringe-like love dart injects male accessory gland products in a tropical hermaphrodite. PLoS ONE 8: e69968 (PDF, 400Kb) Nakadera, Y. & Koene, J.M. 2013. Reproductive strategies in hermaphroditic gastropods: conceptual and empirical approaches. Canadian Journal of Zoology 91: 367�381 (PDF, 365Kb) Liu, T., Koene, J.M., Dong, X. & Fu, R. 2013. Sensitivity of isolated eggs of pond snails: a new method for toxicity assays and risk assessment Environmental Monitoring and Assessment 185: 4183�4190 (PDF, 170Kb) Koene, J.M. 2012. Editorial: Zoology is dead, long live zoology! Animal Biology 62: 379�380 (PDF, 112Kb) Koene, J.M. & Cosijn, J. 2012. Twisted sex in a hermaphrodite: Mirror-image mating behaviour is not learned. Journal of Molluscan Studies 78: 308-311 (PDF, 180Kb) Hoffer, J.N.A., Schwegler, D., Ellers, J. & Koene, J.M. 2012. Mating rate influences female reproductive investment in a simultaneous hermaphrodite, Lymnaea stagnalis. Animal Behaviour 84: 523-529 (PDF, 501Kb) Ter Maat, A, Pieneman, A.W. & Koene, J.M. 2012. The effect of light on induced egg laying in the simultaneous hermaphrodite Lymnaea stagnalis. Journal of Molluscan Studies 78: 262-267 (PDF, 195Kb) Koene, J.M. 2012. Sexual conflict in nonhuman animals. In: The Oxford Handbook of Sexual Conflict in Humans (eds. A.T. Goetz & T. Shackelford), pp. 15-30, Oxford University Press Get a reprint via OUP or joris.koene-at-vu.nl See book content at OUP Escobar, J.S., Auld, J.R., Correa, A.C., Alonso, J.M., Bony, Y.K., Coutellec, M.-A., Koene, J.M., Pointier, J.-P., Jarne, P. & David, P. 2011. Patterns of mating-system evolution in hermaphroditic animals: Correlations among selfing rate, inbreeding depression and the timing of reproduction. Evolution 65: 1233-1253 (PDF, 353Kb) (Supporting information Supplementary Table 1, DOC, 35Kb) Hoffer, J.N.A., Ellers, J. & Koene, J.M. 2010. Costs of receipt and donation of ejaculates in a simultaneous hermaphrodite. BMC Evolutionary Biology 10: 393 (PDF, 350Kb) Koene, J.M. 2010. Neuro-endocrine control of reproduction in hermaphroditic freshwater snails: mechanisms and evolution. Frontiers in Behavioral Neuroscience 4: 167 (PDF, 2.6Mb) See complete special issue on Neuroethology Anthes, N., David, P., Auld, J.R., Hoffer, J.N.A., Jarne, P., Koene, J.M., Kokko, H., Lorenzi, M.C., Pélissié, B., Sprenger, D., Staikou, A., Schärer, L. 2010. Bateman gradients in hermaphrodites: An extended approach to quantify sexual selection. American Naturalist 176: 249-263 (PDF, 2Mb) (Online Enhancements Appendix A, PDF, 32Kb; Appendix B, PDF, 23Kb) Jarne, P., David, P., Pointier, J.-P. & Koene, J.M. 2010. Basommatophoran Gastropods. In: The Evolution of Primary Sexual Characters in Animals (eds. A. Córdoba-Aguilar & J.L. Leonard), pp. 173-196, Oxford University Press Get a reprint via joris.koene-at-vu.nl See book content at OUP Koene, J.M., Sloot, W., Montagne-Wajer, K., Cummins, S.F., Degnan, B.M., Smith, J.S., Nagle, G.T. & Ter Maat, A. 2010. Male accessory gland protein reduces egg laying in a simultaneous hermaphrodite. PLoS ONE 5: e10117 (PDF, 303Kb) (Supporting information Table S1, DOC, 30Kb; Table S2, DOC, 79Kb) Benke, M., Reise, H., Montagne-Wajer, K. & Koene, J.M. 2010. Cutaneous application of an accessory-gland secretion after sperm exchange in a terrestrial slug (Mollusca: Pulmonata). Zoology 113: 118-124 (PDF, 634Kb) De Boer, P.A.C.M., Jansen, R.F., Ter Maat, A., Van Straalen, N.M. & Koene, J.M. 2010. The distinction between retractor and protractor muscles of the freshwater snail's male organ has no physiological basis. Journal of Experimental Biology 213: 40-44 (PDF, 159Kb) Koene, J.M., Brouwer, A. & Hoffer, J.N.A. 2009. Reduced egg laying caused by a male accessory gland product opens the possibility for sexual conflict in a simultaneous hermaphrodite. Animal Biology 59: 435-448 (PDF, 685Kb) See complete special issue of Animal Biology Koene, J.M. 2009. Preface: Broadening sexual conflict. Animal Biology 59: 387-389 (PDF, 569Kb) See complete special issue of Animal Biology Bedhomme, S., Bernasconi, G., Koene, J.M., Lankinen, Å., Arathi, S., Michiels, N.K. & Anthes, N. 2009. How does breeding system variation modulate sexual antagonism? Biology Letters 5: 717-720 (PDF, 216Kb) See complete special issue of Biology Letters Koene, J.M., Montagne-Wajer, K., Roelofs, D. & Ter Maat, A. 2009. The fate of received sperm in the reproductive tract of a hermaphroditic snail and its implications for fertilisation. Evolutionary Ecology 23: 533-543 (PDF, 277Kb) Van Straalen, N.M., Koene, J.M. & Ellers, J. 2008. Foreword. Animal Biology 58: 337-339 (PDF, 981Kb) See complete special issue of Animal Biology Koene, J.M., Loose, M.J. & Wolters, L. 2008. Mate choice is not affected by mating history in the simultaneously hermaphroditic snail, Lymnaea stagnalis. Journal of Molluscan Studies 74: 331-335 (PDF, 133Kb) De Schamphelaere, K.A.C., Koene, J.M., Heijerick, D.G. & Janssen, C.R. 2008. Reduction of growth and haemolymph Ca levels in the freshwater snail Lymnaea stagnalis chronically exposed to cobalt. Ecotoxicology and Environmental Safety 71: 65-70 (PDF, 175Kb) Loose, M.J. & Koene, J.M. 2008. Sperm transfer is affected by mating history in the simultaneously hermaphroditic snail Lymnaea stagnalis. Invertebrate Biology 127: 162-167 (PDF, 119Kb) Koene, J.M. & Ter Maat, A. 2007. Coolidge effect in pond snails: Male motivation in a simultaneous hermaphrodite. BMC Evolutionary Biology 7: 212 (PDF, 249b) Ter Maat, A., Zonneveld, C., De Visser, J.A.G.M., Jansen, R.F., Montagne-Wajer, K. & Koene, J.M. 2007. Food intake, growth, and reproduction as affected by day length and food availability in the pond snail Lymnaea stagnalis. American Malacological Bulletin 23: 113-120 (PDF, 150b) Koene, J.M., Montagne-Wajer, K. & Ter Maat, A. 2007. Aspects of body size and mate choice in the simultaneously hermaphroditic pond snail Lymnaea stagnalis. Animal Biology 57: 247-259 (PDF, 572Kb) See complete special issue of Animal Biology Reyes-Tur, B. & Koene, J.M. 2007. Use of the dart apparatus by the hermaphroditic land snail Polymita muscarum (Lea, 1834). Animal Biology 57: 261-266 (PDF, 432Kb) Koene J.M. 2007. Preface: Animal behaviour, an integrative discipline. Animal Biology 57: 117-120 (PDF, 39Kb) See complete special issue of Animal Biology Koene, J.M. & Chiba S. 2006. The way of the samurai snail. American Naturalist 168: 553-555 (PDF, 841Kb) (Online Enhancement Movie on Am. Nat. server: AVI, 1.7 Mb) or (AVI, 1.7 Mb) Michiels, N.K. & Koene, J.M. 2006. Sexual selection favors harmful mating in hermaphrodites more than in gonochorists. Integrative & Comparative Biology 46: 473-480 (PDF, 204Kb) See complete special issue of Integrative & Comparative Biology Koene, J.M. 2006. Tales of two snails: Sexual selection and sexual conflict in Lymnaea stagnalis and Helix aspersa. Integrative & Comparative Biology 46: 419-429 (PDF, 134Kb) See complete special issue of Integrative & Comparative Biology Koene, J.M. 2006. Slakken schieten met scherp. Natura 2006/3: 73-75 (PDF, 447Kb) Koene, J.M., Montagne-Wajer, K. & Ter Maat, A. 2006. Effects of frequent mating on sex allocation in the simultaneously hermaphroditic great pond snail. Behavioral Ecology & Sociobiology 60: 332-338 (PDF, 185Kb) Koene, J.M. 2005. Allohormones and sensory traps: A fundamental difference between hermaphrodites and gonochorists? Invertebrate Reproduction & Development 48: 101-107 (PDF, 140Kb) Koene J.M. 2005. Book review: "Sexual Conflict" by Göran Arnqvist & Locke Rowe. Animal Behaviour 70: 1439-1440 (PDF, 71Kb) Koene, J.M., Pförtner, T. & Michiels, N.K. 2005. Piercing the partner's skin influences sperm uptake in the earthworm Lumbricus terrestris. Behavioral Ecology & Sociobiology 59: 243-249 (PDF, 297Kb) Koene, J.M. & Schulenburg, H. 2005. Shooting darts: co-evolution and counter-adaptation in hermaphroditic snails. BMC Evolutionary Biology 5: 25 (PDF, 939Kb) (Additional Files: PDF, 289Kb) De Jong-Brink, M. & Koene, J.M. 2005. Parasitic manipulation: going beyond behaviour. Behavioural Processes 68: 229-233 (PDF, 71Kb) Koene, J.M. & Ter Maat, A. 2005. Sex role alternation in the simultaneously hermaphroditic pond snail Lymnaea stagnalis is determined by the availability of seminal fluid. Animal Behaviour 69: 845-850 (PDF, 202Kb) Koene, J.M. 2005. Love darts of land snails. Invertebrate Biology 124: 1 (PDF, 1537Kb) Koene, J.M. 2004. Immunomodulation, allohormones and fertility. Medical Hypotheses 63: 1084-1085 (PDF, 34Kb) Koene, J.M. & Muratov, I.V. 2004. Revision of the reproductive morphology of three Leptaxis species (Gastropoda, Pulmonata, Hygromiidae) and its implication on dart evolution. Malacologia 46: 73-78 (PDF, 1531Kb) Koene, J.M. & Ter Maat, A. 2004. Energy budgets in the simultaneously hermaphroditic pond snail, Lymnaea stagnalis: A trade-off between growth and reproduction during development. Belgian Journal of Zoology 134: 41-45 (PDF, 57Kb) Koene J.M. 2002. Book review: "Behavior and its Neural Control in Gastropod Molluscs" by Ronald Chase. Animal Behaviour 64: 969-970 (PDF, 54Kb) Koene, J.M., Sundermann, G. & Michiels, N.K. 2002. On the function of body piercing during copulation in earthworms. Invertebrate Reproduction & Development 41: 35-40 (PDF, 471Kb) Koene, J.M. & Ter Maat, A., 2002.The distinction between pheromones and allohormones. Journal of Comparative Physiology A 188: 163-164 (PDF, 51Kb) Koene, J.M. & Ter Maat, A., 2001. "Allohormones": A class of bioactive substances favoured by sexual selection. Journal of Comparative Physiology A 187: 323-326 (PDF, 74Kb) Koene, J.M., 2000. Het Proefschrift: Behavioural and neurobiological aspects of dart shooting in the garden snail Helix aspersa. NVG-Nieuwsbrief 9(1): 7-10 (PDF, 720Kb) Koene, J.M., Jansen, R.F., Ter Maat, A. & Chase, R. 2000. A conserved location for the central nervous system control of mating behaviour in gastropod molluscs: Evidence from a terrestrial snail. Journal of Experimental Biology 203: 1071-1080 (PDF, 463Kb) Koene, J.M. 1999. Behavioural and neurobiological aspects of dart shooting in the garden snail Helix aspersa. Ph.D. thesis, McGill University, Montréal, Canada (PDF of abstract, 13Kb) Link to Thesis Link to eScholarship@McGill (PDF, 8.7Mb) Link to scanned thesis at the National Library of Canada (PDF, 8.7Mb) Koene, J.M., Jansen, R.F., Ter Maat, A. & Chase, R. 1999. An in vivo electrophysiological study of mating behaviour in the snail Helix aspersa. Invertebrate Reproduction & Development 36: 123-127 (PDF, 802Kb) Koene, J.M. & Chase, R. 1998. Changes in the reproductive system of the snail Helix aspersa caused by the mucus covering the love dart. Journal of Experimental Biology 201: 2313-2319 (PDF, 222Kb) Koene, J.M. & Chase, R. 1998. The love dart of Helix aspersa Muller is not a gift of calcium. Journal of Molluscan Studies 64: 75-80 (PDF, 953Kb) Boer, P.A.C.M. de, Jansen, R.F., Koene, J.M. & Ter Maat, A. 1997. Nervous control of male sexual drive in the hermaphroditic snail Lymnaea stagnalis. Journal of Experimental Biology 200: 941-951 (PDF, 321Kb)