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Michael Bertram

Michael Bertram
I am an Assistant Professor in the Department of Wildlife, Fish, and Environmental Studies. The overarching goal of my research is to understand how human-induced environmental change impacts ecological and evolutionary processes in wild animal populations. In particular, I am interested in investigating whether and how emerging forms of chemical pollution disrupt complex traits and behavioural processes in wildlife, and what implications this may have for individuals, populations, and communities inhabiting contaminated ecosystems.



Lab website:

Twitter: @MichaelGBertram

Google Scholar: Michael G Bertram

ORCID: 0000-0001-5320-8444

Selected publications

The below papers are also accessible via my lab website publications list:


41. Thoré, E.S.J., Muylaert, K., Bertram, M.G., Brodin, T. 2023. Microalgae. Curr. Biol. 33, R85–R97.


40. Bose, A.P.H., McCallum, E.S., Avramović, M., Bertram, M.G., Blom, E.-L., Cerveny, D., Grønlund, S.N., Leander, J., Lundberg, P., Martin, J.M., Michelangeli, M., Persson, L., Brodin, T. 2022. Pharmaceutical pollution disrupts the behaviour and predator–prey interactions of two widespread aquatic insects. iScience 25, 105672.


39. Gomes, D.G.E., Pottier, P., Crystal-Ornelas, R., Hudgins, E., Foroughirad, V., Sánchez-Reyes, L.L., Turba, R., Martinez, P.A., Moreau, D., Bertram, M.G., Smout, C.A., Gaynor, K.M. 2022. Why don’t we share data and code? Perceived barriers and benefits to public archiving practices. Proc. R. Soc. Lond., B, Biol. Sci. 289, 20221113.


38. Bertram, M.G., Gore, A.C., Tyler, C.R., Brodin, T., 2022. Endocrine-disrupting chemicals. Curr. Biol. 32, R727–R730.


37. Michelangeli, M., Martin, J.M., Pinter-Wollman, N., Ioannou, C.C., McCallum, E.S., Bertram, M.G., Brodin, T., 2022. Predicting the impacts of chemical pollutants on animal groups. Trends Ecol. Evol. 37, 789–802.


36. Hellström, G., Lennox, R.J., Bertram, M.G., Brodin, T., 2022. Acoustic telemetry. Curr. Biol. 32, R863–R865.


35. Bertram, M.G., Martin, J.M., McCallum, E.S., Alton, L.A., Brand, J.A., Brooks, B.W., Cerveny, D., Fick, J., Ford, A.T., Hellström, G., Michelangeli, M., Nakagawa, S., Polverino, G., Saaristo, M., Sih, A., Tan, H., Tyler, C.R., Wong, B.B.M., Brodin, T., 2022. Frontiers in quantifying wildlife behavioural responses to chemical pollution. Biol. Rev. 97, 1346–1364.


34. Nathan, R., Monk, C., Arlinghaus, R., Adam, T., Alós, J., Assaf, M., Baktoft, H., Beardsworth, C.E., Bertram, M.G., Bijleveld, A., Brodin, T., Brooks, J., Campos-Candela, A., Cooke, S.J., Gjelland, K.J., Gupte, P.R., Harel, R., Hellström, G., Jeltsch, F., Killen, S., Klefoth, T., Langrock, R., Lennox, R.J., Lourie, E., Madden, J.R., Orchan, Y., Pauwels, I., Riha, M., Roeleke, M., Schlägel, U., Shohami, D., Singer, J., Toledo, S., Vilk, O., Westrelin, S., Whiteside, M., Jarić, I., 2022. Big-data approaches lead to an increased understanding of the ecology of animal movement. Science 375, eabg1780.


33. Martin, J.M., Orford, J.T., Melo, G.C., Tan, H., Mason, R.T., Ozeki, S., Bertram, M.G., Wong, B.B.M., Alton, L.A., 2022. Exposure to an androgenic agricultural pollutant does not alter metabolic rate, behaviour, or morphology of tadpoles. Environ. Pollut. 299, 118870.


32. Bertram, M.G., Martin, J.M., Wong, B.B.M., Brodin, T., 2022. Micropollutants. Curr. Biol. 32, R17–R19.


31. Martin, J.M., Bertram, M.G., Blanchfield, P., Brand, J.A., Brodin, T., Brooks, B.W., Cerveny, D., Lagisz, M., Ligocki, I.Y., Michelangeli, M., Nakagawa, S., Orford, J.T., Sundin, J., Tan, H., Wong, B.B.M., McCallum, E.S., 2021. Evidence of the impacts of pharmaceuticals on aquatic animal behaviour: a systematic map protocol. Environ. Evid. 10, 26.


30. Mason, R.T.*, Martin, J.M.*, Tan, H., Brand, J.A., Bertram, M.G., Tingley, R., Todd-Weckmann, A., Wong, B.B.M., 2021. Context is key: social environment mediates the impacts of a psychoactive pollutant on shoaling behavior in fish. Environ. Sci. Technol. 55, 13024−13032.


29. Cullen-McEwen, L.A., van der Wolde, J., Haruhara, K., Tribolet, L., Dowling, J.P., Bertram, M.G., de Matteo, R., Haas, F., Czogalla, J., Okabayashi, Y., Armitage, J.A., Black, M.J., Hoy, W.E., Puelles, V.G., Bertram, J.F., 2021. Podocyte endowment and the impact of adult body size on kidney health. Am. J. Physiol. Renal Physiol. 321, F322–F334.


28. Raatikainen, K.J., Purhonen, J., Pohjanmies, T., Peura, M., Nieminen, E., Mustajärvi, L., Helle, I., Shennan-Farpón, Y., Ahti, P.A., Basile, M., Bernardo, N., Bertram, M.G., Bouarakia, O., Brias-Guinart, A., Fijen, T., Froidevaux, J.S.P., Hemmingmoore, H., Hocevar, S., Kendall, L., Lampinen, J., Marjakangas, E., Martin, J.M., Oomen, R.A., Segre, H., Sidemo-Holm, W., Silva, A.P., Thorbjørnsen, S.H., Torrents-Ticó, M., Zhang, D., Ziemacki, J., 2021. Pathways towards a sustainable future envisioned by early-career conservation researchers. Conserv. Sci. Pract. 3, e493.


27. Cerveny, D., Fick, J., Klaminder, J., McCallum, E.S., Bertram, M.G., Castillo, N., Brodin, T., 2021. Water temperature affects the biotransformation and accumulation of a psychoactive pharmaceutical and its biologically active metabolite in aquatic organisms. Environ. Int. 155, 106705.


26. Bertram, M.G.*, Tan, H.*, Martin, J.M., Ecker, T.E., Hannington, S.L., Saaristo, M., O’Bryan, M.K., Wong, B.B.M., 2021. The endocrine disruptor 17β-trenbolone alters the relationship between pre- and post-copulatory sexual traits in male mosquitofish (Gambusia holbrooki). Sci. Total Environ. 790, 148028. * Co-first authors.


25. Cerveny, D., Fick, J., Klaminder, J., Bertram, M.G., Brodin, T., 2021. Exposure via biotransformation: Oxazepam reaches predicted pharmacological effect levels in European perch after exposure to temazepam. Ecotoxicol. Environ. Saf. 217, 112246.


24. Ford, A.T., Ågerstrand, M., Brooks, B.W., Allen, J., Bertram, M.G., Brodin, T., Dang, Z., Duquesne, S., Sahm, R., Hoffmann, F., Hollert, H., Jacob, S., Klüver, N., Lazorchak, J., Ledesma, M., Melvin, S.D., Mohr, S., Padilla, S., Pyle, G., Scholz, S., Saaristo, M., Smit, E., Steevens, J.A., van den Berg, S., Kloas, W., Wong, B.B.M., Ziegler, M., Maack, G., 2021. The role of behavioral ecotoxicology in environmental protection. Environ. Sci. Technol. 55, 5620–5628.


23. Polverino, G., Martin, J.M., Bertram, M.G., Soman, V.R., Tan, H., Brand, J.A., Mason, R.T., Wong, B.B.M., 2021. Psychoactive pollution suppresses individual differences in fish behaviour. Proc. R. Soc. Lond., B, Biol. Sci. 288, 20202294.


22. Martin, J.M., Nagarajan-Radha, V., Tan, H., Bertram, M.G., Brand, J.A., Saaristo, M., Dowling, D.K., Wong, B.B.M., 2020. Antidepressant exposure causes a nonmonotonic reduction in anxiety-related behaviour in female mosquitofish. J. Hazard. Mater. Lett. 1, 100004.


21. Wiles, S.C., Bertram, M.G., Martin, J.M., Tan, H., Lehtonen, T.K., Wong, B.B.M., 2020. Long-term pharmaceutical contamination and temperature stress disrupt fish behaviour. Environ. Sci. Technol. 54, 8072−8082.


20. Aulsebrook, L.C., Bertram, M.G., Martin, J.M., Aulsebrook, A.E., Brodin, T., Evans, J.P., Hall, M.D., O’Bryan, M.K., Pask, A.J., Tyler, C.R., Wong, B.B.M., 2020. Reproduction in a polluted world: implications for wildlife. Reproduction 160, R13–R23.


19. Tan, H., Polverino, G., Martin, J.M., Bertram, M.G., Wiles, S.C., Palacios, M.M., Bywater, C.L., White, C.R., Wong, B.B.M., 2020. Chronic exposure to a pervasive pharmaceutical pollutant erodes among-individual phenotypic variation in a fish. Environ. Pollut. 263, 114450.


18. Michelangeli, M., Cote, J., Chapple, D.G., Sih, A., Brodin, T., Fogarty, S., Bertram, M.G., Eades, J., Wong, B.B.M., 2020. Sex-dependent personality in two invasive species of mosquitofish. Biol. Invasions. 22, 1353–1364.


17. Martin, J.M., Saaristo, M., Tan, H., Bertram, M.G., Nagarajan-Radha, V., Dowling, D.K., Wong, B.B.M., 2019. Field-realistic antidepressant exposure disrupts group foraging dynamics in mosquitofish. Biol. Lett. 15, 20190615.


16. Bertram, M.G., Tomkins, P., Saaristo, M., Martin, J.M., Michelangeli, M., Tomkins, R.B., Wong, B.B.M., 2020. Disruption of male mating strategies in a chemically compromised environment. Sci. Total Environ. 703, 134991.


15. Martin, J.M., Bertram, M.G., Saaristo, M., Fursdon, J.B., Hannington, S.L., Brooks, B.W., Burket, S.R., Mole, R.A., Deal, N.D.S., Wong, B.B.M., 2019. Antidepressants in surface waters: fluoxetine influences mosquitofish anxiety-related behavior at environmentally relevant levels. Environ. Sci. Technol. 53, 6035–6043.


14. Bertram, M.G., 2019. Impacts of pharmaceutical pollution on fitness-related traits and behaviours in fish (Doctoral dissertation). Monash University, Melbourne, Australia.


13. Bertram, M.G., Martin, J.M., Saaristo, M., Ecker, T.E., Michelangeli, M., Deal, N.D.S., Lim, S.L., O’Bryan, M.K., Wong, B.B.M., 2019. Context-specific behavioural changes induced by exposure to an androgenic endocrine disruptor. Sci. Total Environ. 664, 177–187.


12. Michelangeli, M., Chapple, D.G., Goulet, C.T., Bertram, M.G., Wong, B.B.M., 2019. Behavioral syndromes vary among geographically distinct populations in a reptile. Behav. Ecol. 30, 393–401.


11. Saaristo, M., Lagesson, A., Bertram, M.G., Fick, J., Klaminder, J., Johnstone, C.P., Wong, B.B.M., Brodin, T., 2019. Behavioural effects of psychoactive pharmaceutical exposure on European perch (Perca fluviatilis) in a multi-stressor environment. Sci. Total Environ. 655, 1311–1320.


10. Martin, J.M., Bertram, M.G., Saaristo, M., Ecker, T.E., Hannington, S.L., Tanner, J.L., Michelangeli, M., O’Bryan, M.K., Wong, B.B.M., 2019. Impact of the widespread pharmaceutical pollutant fluoxetine on behaviour and sperm traits in a freshwater fish. Sci. Total Environ. 650, 1771–1778.


9. Bertram, M.G., Saaristo, M., Ecker, T.E., Baumgartner, J.B., Wong, B.B.M., 2018. An androgenic endocrine disruptor alters male mating behavior in the guppy (Poecilia reticulata). Behav. Ecol. 29, 1255–1263.


8. Bertram, M.G., Saaristo, M., Martin, J.M., Ecker, T.E., Michelangeli, M., Johnstone, C.P., Wong, B.B.M., 2018. Field-realistic exposure to the androgenic endocrine disruptor 17β-trenbolone alters ecologically important behaviours in female fish across multiple contexts. Environ. Pollut. 243, 900–911.


7. Fursdon, J.B., Martin, J.M., Bertram, M.G., Lehtonen, T.K., Wong, B.B.M., 2019. The pharmaceutical pollutant fluoxetine alters reproductive behaviour in a fish independent of predation risk. Sci. Total Environ. 650, 642–652.


6. Saaristo, M., Brodin, T., Balshine, S., Bertram, M.G., Brooks, B.W., Ehlman, S.M., McCallum, E.S., Sih, A., Sundin, J., Wong, B.B.M., Arnold, K.E., 2018. Direct and indirect effects of chemical contaminants on the behaviour, ecology and evolution of wildlife. Proc. R. Soc. Lond., B, Biol. Sci. 285, 20181297.


5. Bertram, M.G., Ecker, T.E., Wong, B.B.M., O’Bryan, M.K., Baumgartner, J.B., Martin, J.M., Saaristo, M., 2018. The antidepressant fluoxetine alters mechanisms of pre- and post-copulatory sexual selection in the eastern mosquitofish (Gambusia holbrooki). Environ. Pollut. 238, 238–247.


4. Tomkins, P., Saaristo, M., Bertram, M.G., Michelangeli, M., Tomkins, R.B., Wong, B.B.M., 2018. An endocrine-disrupting agricultural contaminant impacts sequential female mate choice in fish. Environ. Pollut. 237, 103–110.


3. Tomkins, P., Saaristo, M., Bertram, M.G., Tomkins, R.B., Allinson, M., Wong, B.B.M., 2017. The agricultural contaminant 17β-trenbolone disrupts male-male competition in the guppy (Poecilia reticulata). Chemosphere 187, 286–293.


2. Martin, J.M., Saaristo, M., Bertram, M.G., Lewis, P.J., Coggan, T.L., Clarke, B.O., Wong, B.B.M., 2017. The psychoactive pollutant fluoxetine compromises antipredator behaviour in fish. Environ. Pollut. 222, 592–599.


1. Bertram, M.G., Saaristo, M., Baumgartner, J.B., Johnstone, C.P., Allinson, M., Allinson, G., Wong, B.B.M., 2015. Sex in troubled waters: widespread agricultural contaminant disrupts reproductive behaviour in fish. Horm. Behav. 70, 85–91.