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  • • Pollux BJA. De evolutie van superfetatie in de levendbarende visfamilie Poeciliidae (translated to German by Michael Kempkes: Neue Erkenntnisse zur Superfötation bei Lebendgebärenden Zahnkarpfen), ledenbijeenkomst VDA Arbeitskreises “Lebendgebärende Aquarienfische, 23 October 2021, Hotel An der Alten Aa (Kamperschroer),  Bocholt (Germany).
  • • Keijzer A, Ernst TR, Vellere S, Korosi A & Pollux BJA. Different reproductive strategies in live-bearing fishes: effects of pregnancy on cognitive functioning. Dutch Neuroscience Meeting 2021 (DNM2021), 9-11 June 2021 (online meeting). 
  • • Vellere S, Ernst TR, Keijzer AA, Korosi A & Pollus BJA. Neurogenesis in the maternal brain: the effects of pregnancy and placentation on adult neurogenesis. Dutch Neuroscience Meeting 2021 (DNM2021), 9-11 June 2021 (online meeting).
  • • Ernst TR, Keijzer A, Vellere S, Korosu A & Pollux BJA. Pregnancy and the maternal brain: the impacts of reproductive strategy on cognition and neurogenesis in live-bearing fishes. NWO Life 2021 congress, 26-28 May 2021 (online meeting). (Tiffany Ernst won 1st price [400 euro] with her poster in the conference poster competition!) 
  • • Pollux BJA. The evolution of placentas in the livebearing fish Poeciliopsis retropinna from Costa Rica. Virtual Fish lab meeting, 30 October 2020, Department of Biology, University of Oklahoma, USA.
  • • Pollux BJA. On the evolution of two reproductive adaptations in livebearing fishes: Placentation and superfetation. Fish Reproduction Meeting, 8 October 2020, Wageningen University, Wageningen, the Netherlands.
  • • Safian D, Wiegertjes GF & Pollux BJA. Evolution and diversification of regeneration capacity: the fish family Poeciliidae as a model to study appendage regeneration in vertebrates. EMBL Conference: Molecular Mechanisms in Evolution and Ecology, 30 September - 2 October 2020 (Virtual meeting).
  • • Safian D, Wiegertjes GF & Pollux BJA. The fish family Poeciliidae as a model to study the evolution and diversification of regeneration capacity in vertebrates. The Society for Developmental Biology 79th Annual Meeting, 9-13 July 2020, Chicago, Illinois, USA. 
  • • Pollux BJA. The evolution of placentas in livebearing fishes: An interdisciplinary approach from ecology to genomics. Meeting Aquaculture & Fisheries group, 20 November 2019, Wageningen University, Wageningen, the Netherlands.
  • • Fleuren M, Leuven R, Pollux B, Persoon T & Nagelkerke L. Morphological differentiation in trophic traits of round goby across multiple invasion events. 21st International conference on Aquatic Invasive Species, 27-31 October 2019, Montreal, Canada.
  • • Pollux BJA. The adaptive benefit of placentas in the fish family Poeciliidae. 8th Conference of Poeciliid Biologists, 24-26 September 2019, Universidad Nacional Autonoma de Mexico, Mexico City, Mexico.
  • • Hagmayer A, Furness AI, Dekker ML, Reznick DN & Pollux BJA. Predation risk drives the evolution of placentas in live-bearing fish populations (family Poeciliidae). The 2019 Congress of the European Society for Evolutionary Biology, 19-24 August 2019, Turku, Finland.
  • • van Kruistum H, Guernsey MW, Baker JC, Kloet SL, Groenen MAM, Pollux BJA & Megens H-J. The genomes of Poeciliopsis retropinna and Poeciliopsis turrubarensis reflect differences in reproductive strategy. The 2019 Congress of the European Society for Evolutionary Biology, 19-24 August 2019, Turku, Finland. 
  • • Staal L, Pollux BJA, Gussekloo SWS, Plösch T, Wertheim B & Olivier JDA. The role of the placenta in transmitting disturbed serotonin levels from the maternal environment. Dutch Neuroscience Meeting (DNM19), 20-21 June 2019, Lunteren, the Netherlands.
  • • Haan F, Staal L, Wang Y, Leon K, Gussekloo SWS, Plösch T, Pollux BJA, Wertheim B & Olivier JDA. Effects of fluoxetine on serotonin 5-HT1A receptor gene expression in the brain of livebearing fish and their offspring. Dutch Neuroscience Meeting (DNM19), 20-21 June 2019, Lunteren, the Netherlands.
  • • Pollux BJA, Hagmayer A & Furness AI. Why do placentas evolve in live-bearing fishes? 1st NWO life sciences congress (Life2019), 28-29 May 2019, Bunnik, the Netherlands.
  • • van Kruistum H, van den Heuvel J, Travis J, Kraaijeveld K, Zwaan BJ, Groenen MAM, Megens H-J & Pollux BJA. The genome of the live-bearing fish Heterandria formosa implicates a role of conserved vertebrate genes in the evolution of placental fish. Netherlands Annual Ecology Meeting (NAEM), 12 February 2019, Lunteren, the Netherlands.
  • • Hagmayer A & Pollux BJA. Placental fish as a model system to study prenatal stress effects on offspring development. Masterclass at the University of Amsterdam with Prof. Tracy Bale, 6 February 2019, Amsterdam, the Netherlands.
  • • Fleuren M, Van Leeuwen JL & Pollux BJA. The adaptive benefit of superfetation in live-bearing fishes: a slender body leads to improved escape performance. Zoology 2018: 25th congress of Zoology, 14-15 December 2018, Antwerp, Belgium. 
  • • Fleuren M, Pollux BJA, Nagelkerke LAJ. They came, they changed, they conquered: the role of adjustment to unfamiliar environments in biological invasions. Zoology 2018: 25th congress of Zoology, 14-15 December 2018, Antwerp, Belgium. (P)
  • • Pollux BJA. The role of rapid evolution in acquiring resilience of aquatic systems under biological invasions. WIAS End Of The Year Event, 11 December 2018, Wageningen, the Netherlands.
  • • Nagelkerke LAJ, Pollux BJA & Fleuren M. Resilience of aquatic systems under biological invasions: from ecosystems to genomes. WUR Resilience Symposium 2018, 13 November 2018, Klarenbeek, the Netherlands.
  • • Nagelkerke LAJ, Fleuren M, Pollux BJA. Project update - Resilience of aquatic ecosystems under biological invasions. WUR Resilience Symposium 2018, 13 November 2018, Klarenbeek, the Netherlands. (P)
  • • Guernsey MW, Hagmayer A, Pollux BJA, Reznick DN & Baker JC. Convergence and Divergence: The story of placenta evolution as told by Poeciliopsis fishes. International Federation of Placenta Associations Conference, 22 September 2018, Tokyo, Japan.
  • • Guernsey MW, Hagmayer A, Pollux BJA, Reznick DN & Baker JC. Convergence and Divergence: The story of placenta evolution as told by Poeciliopsis fishes. Society for Developmental Biology Annual Meeting, 20 July 2018, Portland, United States. (P)
  • • Staal L, Pollux BJA, Gussekloo SWS, Plösch T, Wertheim B & Olivier JDA. The role of the placenta in transmitting disturbed serotonin levels from the maternal environment: a comparative study with live-bearing fish, rats and humans. Dutch Neuroscience Meeting (DNM18), 7-8 June 2018, Lunteren, the Netherlands. (P)
  • • Dekker M, Furness AI, Reznick DN & Pollux BJA. Matrotrophy and altriciality: two reproductive modes that lead to the emergence of parent-offspring conflicts. 1st Annual Meeting of the Netherlands Society for Evolutionary Biology (NLSEB), 11 April 2018, Ede, the Netherlands. (P)
  • • Fleuren M, Pollux BJA & Nagelkerke LAJ. Functional morphological adaptations in invasive round goby (Neogobius melanostomus) populations across Europe. 1st Annual Meeting of the Netherlands Society for Evolutionary Biology (NLSEB), 11 April 2018, Ede, the Netherlands. (P)
  • • Dekker M & Pollux BJA. Consequences of the evolution of placentation and superfetation for multiple paternity in the livebearing fish family Poeciliidae. Workshop “Interplay between Parental Care and Sexual Selection”, 26 Feb – 3 Mar 2018, Fiskebäckskil, Sweden.
  • • Hagmayer A, Furness AI, Reznick DN & Pollux BJA. Maternal effects in a placental live-bearing fish. Netherlands Annual Ecology Meeting (NAEM), 13-14 February 2018, Lunteren, the Netherlands. 
  • • Fleuren M, Nagelkerke LAJ & Pollux BJA. Functional morphological adaptations in invasive round goby (Neogobius melanostomus) populations across Europe. Netherlands Annual Ecology Meeting (NAEM), 13-14 February 2018, Lunteren, the Netherlands. (P)
  • • Guernsey MW, Pollux BJA, Reznick DN & Baker JC. Fish at placenta of attention: prolactin expression and the evolution of placentation in pregnant Poeciliopsis fishes. Society for Integrative and Comparative Biology Conference, 4 January 2018, San Francisco, United States. (P)
  • • Fleuren M, van Leeuwen JL & Pollux BJA. Redefining the ‘super’ in superfetation: Are pregnant live-bearing fish with more superfetation better swimmers? 2017 Congress of the European Society for Evolutionary Biology (ESEB), 20-25 August 2017, Groningen, the Netherlands.
  • • Dekker M, Furness AI, Reznick DN & Pollux BJA. Matrotrophy and altriciality: two reproductive modes that lead to the emergence of parent-offspring conflicts. 2017 Congress of the European Society for Evolutionary Biology (ESEB), 20-25 August 2017, Groningen, the Netherlands.
  • • Fleuren M, van Leeuwen JL & Pollux BJA. Pregnant as a prey: performance and kinematics of the 3D fast start escape response of live-bearing fish. Zoology 2016: 23rd  Congress of Zoology, 15-17 December 2016, Antwerp, Belgium.
  • • Vrijenhoek M, Hinde CA & Pollux BJA. Studying flexibility of female mate preference in the guppy (Poecilia reticulata) using computer-generated animations. Conference of the International Society for Applied Ethology (ISAE Benelux), 13 October 2016, Berlicum, the Netherlands.
  • • Fleuren M, van Leeuwen JL & Pollux BJA. Morphology and 3D fast-start escape performance of pregnant and virgin live-bearing fish. Annual meeting of the Society for Experimental Biology (SEB), 4-7 July 2016, Brighton, UK.
  • • Pollux BJA. The evolution of placentas in livebearing fishes: a study of animal ecology, life history evolution and developmental biology. WIAS lunch lecture, 26 April 2016, Wageningen, the Netherlands. (I) 
  • • Quicazan-Rubio EM, Van Leeuwen JL, Pollux BJA, Van Manen K & Stamhuis EJ (2016) Drag forces and PIV measurements on model fish. Tercer Congreso Internacional sobre Tecnologías Avanzadas de Mecatrónica, Diseño y Manufactura (AMDM 2016), 13-15 April 2016, Cali, Colombia.
  • • Pollux BJA. Citizen science project: Evolutie van seksuele kenmerken in de levendbarende vissenfamilie Poecillidae. Meeting of the Dutch Livebearer Association, Poecilia Nederland, 28 November 2015, Maarn, the Netherlands.
  • • Pollux BJA. Altriciality- and Viviparity-driven conflict: Two pathways that lead to the evolution of parent-offspring conflicts. Evolution, 26-30 June 2015, Guarujá, Brazil. (P)
  • • Pollux BJA. The fish placenta: A study of life history evolution and sexual selection in livebearing fish. Seminar at the Institute for Water and Wetland Research, Radboud University Nijmegen, 17 June 2015, Nijmegen, the Netherlands. (I)
  • • Pollux BJA. The fish placenta: why did it evolve and what are its consequences for sexual selection? IBL Spotlight Seminar, Institute of Biology Leiden, Leiden University, 4 June 2015, Leiden, the Netherlands. (I)
  • • Pollux BJA. The evolution of the placenta causes a conflict-driven shift in sexual selection in livebearing fish: A family-wide analysis of the family Poeciliidae. Lecture in the Advanced Course Molecular Evolutionary Biology (BIO-10710-20141) at Universität Konstanz, 14-16 May 2015, Konstanz, Germany. (I)
  • • Pollux BJA. The evolution of the fish placenta: A micro-evolutionary study of conflict and adaptation. The Netherlands Organisation for Scientific Research (NWO), 19 March 2015, Utrecht, The Netherlands. (I)
  • • Fleuren M, van Leeuwen JL & Pollux BJA. The effect of pregnancy on escape response in live-bearing fish: methodology and preliminary results. WIAS Science Day, 5 February 2015, Wageningen, the Netherlands. (P)
  • • Quicazan-Rubio EM, Fleuren M, Voesenek CJ, van Leeuwen JL & Pollux BJA. 3D Analysis of the escape response of a livebearing fish (Poeciliidae). IV Colombian Zoology Congress, 1-5 December 2014, Cartagena de Indias, Colombia.
  • • Pollux BJA. The evolution of the fish placenta: A micro-evolutionary study of conflict and adaptation. European Research Council, 9 October 2014, Brussels, Belgium (I). 
  • • Lankheet M, Stoffers T & Pollux BJA. Automated analysis of eye-body coordination during prey captures by newborn live-bearing fish. Measuring Behavior 2014 - 9th International Conference on Methods and Techniques in Behavioral Research, 27-29 August 2014, Wageningen, the Netherlands.
  • • Pollux BJA & Furness AI. Do placentation and superfetation facilitate living life in the fast lane? A preliminary field study. Evolution, 20-24 June 2014, Raleigh, NC, USA.
  • • Pollux BJA. The evolution of the placenta causes a conflict-driven shift in sexual selection in the livebearing fish family Poeciliidae. CEES Seminar, Centre for Ecological and Evolutionary Synthesis, Department of Biosciences, University of Oslo, 14 February 2014, Oslo, Norway (I).
  • • Fleuren M, Quicazan-Rubio EM, Voesenek CJ, van Leeuwen JL & Pollux BJA. Reconstructing 3D body shape changes in livebearing fish (Poeciliidae). Annual Meeting of the Society for Integrative & Comparative Biology (SICB), 3-7 January 2014, Austin, USA (P).
  • • Quicazan-Rubio EM, Fleuren M, Voesenek CJ, van Leeuwen JL & Pollux BJA. 3D recording and analysis of fast-start in livebearing fish. Annual Meeting of the Society for Integrative & Comparative Biology (SICB), 3-7 January 2014, Austin, USA (P).
  • • Pollux BJA. The evolution of the placenta in livebearing fish. Special seminar in celebration of the 20th Anniversary of the Wageningen Institute of Animal Sciences (WIAS), 17 December 2013, Wageningen, the Netherlands (I).
  • • Pollux BJA. Does the evolution of the placenta drive the evolution of male reproductive traits? A tale of Parent-Offspring conflicts. The Comparative Psychology Research Group (Bisazza lab) and the Sexual Selection Group (Pilastro lab), University of Padova, 21-23 November 2013, Padova, Italy (I). 
  • • Reznick DN, Meredith RM, Pollux BJA & Springer MS. The evolution of placentas in the fish family Poeciliidae: a family-wide analysis of adaptation and conflict. Evolution, 21-25 June 2013, Snowbird, Utah, USA (Plenary talk by D.N. Reznick)
  • • Pollux BJA. I. De evolutie van placentas en superfetatie in de levendbarende vissenfamilie Poeciliidae. Meeting of the Dutch Livebearer Association, Poecilia Nederland, 25 May 2013, Maarn, the Netherlands (I).
  • • Pollux BJA. II. De relaties tussen placentatie, superfetatie en omgevingsfactoren in de levendbarende vissoort Poeciliopsis retropinna in Costa Rica. Meeting of the Dutch Livebearer Association, Poecilia Nederland, 25 May 2013, Maarn, the Netherlands (I).
  • • Pollux BJA, Furness A. The ecological correlates of placentation and superfetation in the livebearing fish family Poeciliidae: A preliminary study in Costa Rica. Escuela de Biologia, Universidad de Costa Rica (UCR), 9 April 2013, San Jose, Costa Rica (I).
  • • Pollux BJA. The evolution of placentas in the fish family Poeciliidae: The role of food availability, parent-offspring conflict and swimming performance. Netherlands Institute of Ecology (NIOO), 24 September 2012, Wageningen, the Netherlands (I).
  • • Pollux BJA. Seed  dispersal by fish: The evidence, ecological relevance and opportunities for future research. Special symposium: “Dispersal of aquatic organisms by waterbirds”, 26 June 2012, Nijmegen, the Netherlands (I). 
  • • Pollux BJA, Oufiero CE, Banet AI, Orr T, Meredith R, Garland Jr T & Reznick DN. Does the evolution of the placenta drive the evolution of male reproductive traits? 4th Annual Western Evolutionary Biology Meeting, 11 December 2010, Irvine, USA.
  • • Pollux BJA, Oufiero CE, Banet AI, Orr T, Meredith R & Reznick DN. Conflict driven shifts in sexual selection associated with the evolution of the placenta in the fish family Poeciliidae. New Directions in Sexual Selection Research: Unifying behavioural and genomic approaches, 1-4 September 2010, Bath, UK (P).
  • • Pollux BJA, Oufiero CE, Banet AI, Orr T & Reznick DN. Shifts in sexual selection associated with the evolution of the placenta in the Family Poeciliidae - A preliminary non-phylogenetic analysis. Evolution, 25-29 June 2010, Portland, Oregon, USA.
  • • Horn MH, Correa SB, Parolin P, Pollux BJA, Anderson JT, Lucas C, Widmann P, Tiju A, Galetti M & Goulding M. Seed dispersal by fishes in tropical and temperate fresh waters: The growing evidence. 5th International Symposium on Frugivores and Seed Dispersal, 13-18 June 2010, Montpellier, France (Plenary talk by M.H. Horn).  
  • • Pollux BJA & Reznick DN. Potential costs of placentation under fluctuating resource availability: A comparative study with two Poeciliid fishes. 94th ESA Annual Meeting, 2-7 August 2009, Albuquerque, New México, USA (P).
  • • Pollux BJA & Reznick DN. Effects of fluctuating resources on mothers and their offspring: Temporal patterns of reproductive allocation in a placental fish (Phalloptychus januarius, Poeciliidae). Evolution, 12-16 June 2009, Moscow, Idaho, USA.
  • • Oufiero CE, Pollux BJA, Banet AI, Arnold S & Garland T Jr. Does a primary sex character vary with the degree of female-biased sexual size dimorphism: A test in the Poeciliidae. Annual Meeting of the Society for Integrative & Comparative Biology (SICB), 3-7 January (2009), Boston, USA (P).
  • • Rajagopal S, Pollux BJA & van der Velde G. Genetic structure of an invasive species Dreissena polymorpha in the Ebro River, Spain: Results of PCR based AFLP-fingerprinting. 15th International Conference on Aquatic Invasive Species (ICAIS), 23-27 September 2007, Nijmegen, the Netherlands.
  • • Pollux BJA. Plant dispersal in rivers - A mechanistic and molecular approach. University of California Riverside (UCR), 28 November 2006, Riverside, USA (I).
  • • Pollux BJA, Ouborg NJ & van Groenendael J. How spatial variation in sexual and asexual reproduction affects the population genetics of the facultatively clonal helophyte Sparganium emersum (Rehm). 8th Clonal Plant Meeting, 27-30 June 2006, Pärnu, Estonia.
  • • Pollux BJA. Seed mass and seed structure modulate the dispersal probability of aquatic plants by fishes. Annual Verweij Meeting, 30 January - 1 February 2006, Lunteren, the Netherlands.
  • • Pollux BJA. The effect of hydrology on the ecology and genetic structure of plant populations in rivers. 12th Annual PhD Meeting Biodiversity, 1 December 2005, Wageningen, the Netherlands (I).
  • • Pollux BJA, Klaassen M, van Groenendael J & Ouborg NJ. Revisiting the Drift Paradox: A metapopulation approach to plant population persistence in rivers. Annual Meeting of the British Ecological Society (BES), 5-7 September 2005, Hatfield, UK.
  • • Pollux BJA, Klaassen M, van Groenendael J & Ouborg NJ. Spatial variation in sexual and asexual reproduction in the aquatic macrophyte Sparganium emersum: Consequences for gene flow and genetic structure of populations. 10th meeting of the European Society of Evolutionary Biology (ESEB), 15-20 August 2005, Krakow, Poland.
  • • Pollux BJA, Santamaria L & Klaassen M. Genetic consequences of waterfowl-mediated seed dispersal for aquatic macrophytes - with special reference to river systems. 7th INTECOL International Wetlands Conference, 25-30 July 2004, Utrecht, the Netherlands (I).
  • • Pollux BJA. Metapopulation dynamics in lotic ecosystems: Dispersal and establishment. Meeting of the Center for Wetland Ecology (CWE), 16 November 2001, Nieuwersluis, the Netherlands.
  • • Pollux BJA, Ouborg NJ, Santamaria L. Metapopulation dynamics in lotic ecosystems. VIIIth European Society for Evolutionary Biology meeting (ESEB), 20-25 August 2001, Århus, Denmark (P).