2026
Journal - Research Article
Lala, K., & Johnson, S. (2026). Elevated temperatures enhance movement and aggression in an intertidal fish. Biological Bulletin. Advance online publication. doi: 10.1086/741237
Grey, L., Barratt, B. I. P., Jandt, J. M., & Johnson, S. (2026). Sensory morphology of Geodorcus helmsi (Coleoptera: Lucanidae) and its relevance to the conservation of New Zealand stag beetles. New Zealand Journal of Zoology, 53(2), e70027. doi: 10.1002/njz2.70027
Williams, C. R., Murray, T. J., Lord, J. M., & Johnson, S. L. (2026). Testing pitfall trap modifications and trail cameras for monitoring the endangered Cromwell Chafer Beetle (Prodontria Lewisii Broun). New Zealand Journal of Zoology, 53, e70023. doi: 10.1002/njz2.70023
2025
Journal - Research Article
Viriyautsahakul, S., Poulin, R., Bennett, J., & Johnson, S. (2025). Brain-encysting trematodes increase the frequency but reduce the repeatability of surfacing behaviour in mottled triplefin. Ethology. Advance online publication. doi: 10.1111/eth.70015
Lim, Z., Lord, J., & Johnson, S. (2025). Pollen specialisation of native bees in Dunedin. New Zealand Entomologist. Advance online publication. doi: 10.1080/00779962.2025.2500788
Viriyautsahakul, S., Poulin, R., Johnson, S. L., & Bennett, J. (2025). Unravelling hidden battles: Genetic insights into parasite diversity and competition in mottled triplefin (Forsterygion capito). Parasitology Research, 124(6), 62. doi: 10.1007/s00436-025-08495-z
Grey, L., Holwell, G., Jandt, J., & Johnson, S. (2025). Body and mandible size as key factors in male contest outcomes, but no evidence of assessment models in Helm’s stag beetles. New Zealand Journal of Zoology. Advance online publication. doi: 10.1080/03014223.2025.2500581
Lim, Z., Lord, J., & Johnson, S. (2025). Understanding foraging and nesting behaviour of ground nesting bees in Dunedin, New Zealand. New Zealand Journal of Ecology, 49(1), 3579. doi: 10.20417/nzjecol.49.3579
Munsterman, F., Allan, B. J. M., & Johnson, S. L. (2025). The availability and ingestion of microplastics by an intertidal fish is dependent on urban proximity. New Zealand Journal of Marine & Freshwater Research, 59(4), 685-698. doi: 10.1080/00288330.2024.2365272
Grey, L., Holwell, G. I., Jandt, J. M., & Johnson, S. (2025). Weapon allometry and shape variation in the Helm's stag beetle (Geodorcus helmsi). Biological Journal of the Linnean Society, 144, blae024. doi: 10.1093/biolinnean/blae024
Conference Contribution - Published proceedings: Abstract
Riordan, B., Dutoit, L., King, T., Beheregaray, L., Gemmell, N., Hickey, A., & Johnson, S. (2025). Thermal resilience in the endemic triplefins of New Zealand. Proceedings of the Genetics Otago (GO) Annual Symposium. Retrieved from https://blogs.otago.ac.nz/go
2024
Journal - Research Article
Milliken, S., Lagrue, C., Lord, J., & Johnson, S. (2024). What is pollinating the critically threatened calcicolous plants in the Waitaki Valley? New Zealand Journal of Ecology, 48(1), 3564. doi: 10.20417/nzjecol.48.3564
Grey, L., Trewick, S. A., & Johnson, S. L. (2024). Introduced mammalian predators influence demography and trait variation of a New Zealand stag beetle. Journal of Insect Conservation, 28, 725-736. doi: 10.1007/s10841-024-00593-0
Schenk, S., Horsfield, J. A., Dwoskin, L., & Johnson, S. L. (2024). Methamphetamine effects in zebrafish (Danio rerio) depend on behavioral endpoint, dose and test session duration. Pharmacology Biochemistry & Behavior, 240, 173777. doi: 10.1016/j.pbb.2024.173777
Sanghvi, K., Vega-Trejo, R., Nakagawa, S., Gascoigne, S. J. L., Johnson, S. L., Salguero-Gómez, R., … Sepil, I. (2024). Meta-analysis shows no consistent evidence for senescence in ejaculate traits across animals. Nature Communications, 15, 558. doi: 10.1038/s41467-024-44768-4
Thompson, L., Doogan, H., Thompson, C., Wehi, P., & Johnson, S. (2024). Are there differences in behaviour between the two colour morphs of the mountain stone wētā, Hemideina maori? New Zealand Journal of Zoology, 51(2), 211-227. doi: 10.1080/03014223.2023.2249408
2023
Journal - Research Article
Kelly, M., Wehi, P. M., & Johnson, S. L. (2023). Behavioural differences in predator aware and predator naïve Wellington tree wētā, Hemideina crassidens. Current Research in Insect Science, 3, 100058. doi: 10.1016/j.cris.2023.100058
Detoni, M., Johnson, S. L., Adams, C. I. M., Bengston, S., & Jandt, J. M. (2023). Older, but not wiser: Social wasp colony defensive behavior decreases with time, not experience. Insectes Sociaux, 70, 81-96. doi: 10.1007/s00040-022-00893-1
Conference Contribution - Published proceedings: Abstract
Johnson, S., Thomas, L., Dutoit, L., Trewick, S., & McCulloch, G. (2023). Population genomics of an iconic stag beetle. Proceedings of the 71st Entomological Society of New Zealand (ESNZ) Conference. (pp. 58). Retrieved from https://ento.org.nz/
Thomas, L., Holwell, G. I., Jandt, J., & Johnson, S. (2023). Who wins in competitive interactions between males of the iconic New Zealand stag beetle, Geodorcus helmsi? Proceedings of the 71st Entomological Society of New Zealand (ESNZ) Conference. (pp. 44). Retrieved from https://ento.org.nz/
Thompson, L., Doogan, H., Wehi, P., & Johnson, S. (2023). Investigating differences in behaviour between predator naïve and predator aware mountain stone wētā, Hemideina maori. Proceedings of the 71st Entomological Society of New Zealand (ESNZ) Conference. (pp. 43). Retrieved from https://ento.org.nz/
Thompson, L., Doogan, H., Thompson, C., Wehi, P., & Johnson, S. (2023). Are there differences in behaviour between the two colour morphs of the mountain stone wētā, Hemideina maori? Proceedings of the 71st Entomological Society of New Zealand (ESNZ) Conference. (pp. 40). Retrieved from https://ento.org.nz/
Lim, Z., Lord, J., & Johnson, S. (2023). Foraging and nesting behaviours of ground-nesting bees in Dunedin. Proceedings of the 71st Entomological Society of New Zealand (ESNZ) Conference. (pp. 48). Retrieved from https://ento.org.nz/
Besson, A., Johnson, S. L., Nakagawa, S., Meylan, S., & Cree, A. (2023). Do personality traits co-vary with baseline concentrations of glucocorticoids in a viviparous lizard? In D. J. Wilson & J. M. Monks (Eds.), Recent developments in research on the herpetofauna of Aotearoa New Zealand: Proceedings of the 18th Biennial Conference of the Society for Research on Amphibians and Reptiles in New Zealand (SRARNZ) 2021: DOC Research and Development Series 369. 2.4. Retrieved from https://www.doc.govt.nz/about-us/science-publications/series/doc-research-and-development-series
2022
Journal - Research Article
Ragsdale, A., Ortega-Recalde, O., Dutoit, L., Besson, A. A., Chia, J. H. Z., King, T., Nakagawa, S., Hickey, A., Gemmell, N. J., Hore, T., & Johnson, S. L. (2022). Paternal hypoxia exposure primes offspring for increased hypoxia resistance. BMC Biology, 20, 185. doi: 10.1186/s12915-022-01389-x
Divers, S. L., Johnson, S. L., & Lokman, P. M. (2022). Sperm quality of artificially matured shortfinned eel is not affected by human chorionic gonadotropin dose and route of administration. PeerJ, 10, e13742. doi: 10.7717/peerj.13742
Conference Contribution - Published proceedings: Abstract
Schenk, S., Horsfield, J., & Johnson, S. (2022). Zebrafish on "P": Behavioural effects of methamphetamine. In K. Horne (Ed.), Proceedings of the 38th International Australasian Winter Conference on Brain Research (AWCBR). (pp. 95). Retrieved from https://www.queenstownresearchweek.org
Conference Contribution - Verbal presentation and other Conference outputs
Paul, J., Johnson, S., & Iremonger, K. (2022, August-September). Developing a zebrafish (Danio rerio) model to study behavioural and neuroendocrine responses to stress. Verbal presentation at the 16th New Zealand Medical Sciences Congress (MedSci), Queenstown, New Zealand.
2020
Journal - Research Article
Johnson, S. L., Borziak, K., Kleffmann, T., Rosengrave, P., Dorus, S., & Gemmell, N. J. (2020). Ovarian fluid proteome variation associates with sperm swimming speed in an externally fertilising fish. Journal of Evolutionary Biology, 33, 1783-1794. doi: 10.1111/jeb.13717
Lara, C. E., Grueber, C. E., Holtmann, B., Santos, E. S. A., Johnson, S. L., Robertson, B. C., … Nakagawa, S. (2020). Assessment of the dunnocks’ introduction to New Zealand using innate immune-gene diversity. Evolutionary Ecology, 34, 803-820. doi: 10.1007/s10682-020-10070-0
Sasson, D. A., Johnson, S. L., Smith, M. D., & Brockmann, H. J. (2020). Seasonal variation in reproduction of horseshoe crabs (Limulus polyphemus) from the Gulf Coast of Florida. Biological Bulletin, 239, 24-39. doi: 10.1086/709876
Thomson, H. R., Lamb, S. D., Besson, A. A., & Johnson, S. L. (2020). Long-term repeatability of behaviours in zebrafish (Danio rerio). Ethology, 126, 903-911. doi: 10.1111/eth.13038
Lamb, S. D., Chia, J. H. Z., & Johnson, S. L. (2020). Paternal exposure to a common herbicide alters the behavior and serotonergic system of zebrafish offspring. PLoS ONE, 15(4), e0228357. doi: 10.1371/journal.pone.0228357
Parli, A., Besson, A., Wehi, P., & Johnson, S. (2020). Sub-lethal exposure to a mammalian pesticide bait alters behaviour in an orthopteran. Journal of Insect Conservation, 24, 536-546. doi: 10.1007/s10841-020-00222-6
Conference Contribution - Published proceedings: Abstract
Ragsdale, A. K., Dutoit, L., Besson, A. A., King, T., Gemmell, N. J., Hore, T., & Johnson, S. L. (2020). Paternal hypoxia exposure primes offspring for increased hypoxia resistance. Integrative & Comparative Biology, 60(Suppl. 1), (pp. E192). doi: 10.1093/icb/icaa006
2019
Conference Contribution - Published proceedings: Abstract
Ragsdale, A., Dutoit, L., Besson, A., King, T., Gemmell, N., Hore, T., & Johnson, S. (2019). Paternal hypoxia exposure primes offspring for increased hypoxia resistance. Proceedings of the 16th Asian Conference on Transcription. (pp. 48-49). Retrieved from http://act2019.p.events4you.currinda.com/days/2019-12-02/
Ragsdale, A., Dutoit, L., Chia, J., Gemmell, N., & Johnson, S. (2019). It's in your head: How echoes of the past shape future progeny. Proceedings of the Genetics Society of Australasia (GSA) Conference. Retrieved from https://event.crowdcompass.com/gsa2019
2018
Journal - Research Article
Johnson, S. L., Zellhuber-McMillan, S., Gillum, J., Dunleavy, J., Evans, J., Nakagawa, S., & Gemmell, N. J. (2018). Evidence that fertility trades off with early offspring fitness as males age. Proceedings of the Royal Society B, 285(1871), 20172174. doi: 10.1098/rspb.2017.2174
2017
Journal - Research Article
Lamb, S. D., Taylor, H. R., Holtmann, B., Santos, E. S. A., Tamayo, J. H., Johnson, S. L., Nakagawa, S., & Lara, C. E. (2017). Coprophagy in Dunnocks (Prunella modularis): A frequent behavior in females, infrequent in males, and very unusual in nestlings. Wilson Journal of Ornithology, 129(3), 615-620. doi: 10.1676/16-059.1
Gessner, C., Johnson, S. L., Fisher, P., Clarke, S., Rutherford, K., Symonds, J., & Gemmell, N. J. (2017). Male-female relatedness at specific SNP-linkage groups influences cryptic female choice in Chinook salmon (Oncorhynchus tshawytscha). Proceedings of the Royal Society B, 284(1859), 20170853. doi: 10.1098/rspb.2017.0853
Conference Contribution - Published proceedings: Abstract
Thomson, H., & Johnson, S. (2017). Genetic effects on social isolation anxiety in zebrafish (Danio rerio). Proceedings of the Annual Conference of the Genetics Society of Australasia (GSA) with the New Zealand Society for Biochemistry and Molecular Biology (NZSBMB). 539. Retrieved from http://gen2017.w.events4you.currinda.com
Ragsdale, A., Hore, T., & Johnson, S. (2017). DNA methylation and aging in zebrafish. Proceedings of the Annual Conference of the Genetics Society of Australasia (GSA) with the New Zealand Society for Biochemistry and Molecular Biology (NZSBMB). 531. Retrieved from http://gen2017.w.events4you.currinda.com
Johnson, S. L., & Lamb, S. D. (2017). Intergenerational effects of atrazine exposure suring juvenile development in zebrafish. Proceedings of the Annual Conference of the Genetics Society of Australasia (GSA) with the New Zealand Society for Biochemistry and Molecular Biology (NZSBMB). 704. Retrieved from http://gen2017.w.events4you.currinda.com
2016
Journal - Research Article
Holtmann, B., Grosser, S., Lagisz, M., Johnson, S. L., Santos, E. S. A., Lara, C. E., Robertson, B. C., & Nakagawa, S. (2016). Population differentiation and behavioural association of the two 'personality' genes DRD4 and SERT in dunnocks (Prunella modularis). Molecular Ecology, 25(3), 706-722. doi: 10.1111/mec.13514
Flynn, T., Signal, B., Johnson, S. L., & Gemmell, N. J. (2016). Mitochondrial genome diversity among six laboratory zebrafish (Danio rerio) strains. Mitochondrial DNA, 27(6), 4364-4371. doi: 10.3109/19401736.2015.1089536
Senior, A. M., Johnson, S. L., & Nakagawa, S. (2016). Sperm traits of masculinized fish relative to wild-type males: A systematic review and meta-analyses. Fish & Fisheries, 17(1), 143-164. doi: 10.1111/faf.12096
Journal - Research Other
O'Dea, R. E., Noble, D. W. A., Johnson, S. L., Hesselson, D., & Nakagawa, S. (2016). The role of non-genetic inheritance in evolutionary rescue: Epigenetic buffering, heritable bet hedging and epigenetic traps. Environmental Epigenetics, 2(1), dvv014. doi: 10.1093/eep/dvv014
2015
Chapter in Book - Research
Brockmann, H. J., Johnson, S. L., Smith, M. D., & Sasson, D. (2015). Mating tactics of the American horseshoe crab (Limulus polyphemus). In R. H. Carmichael, M. L. Botton, P. K. S. Shin & S. G. Cheung (Eds.), Changing global perspectives on horseshoe crab biology, conservation and management. (pp. 321-351). Cham, Switzerland: Springer. doi: 10.1007/978-3-319-19542-1_19
Journal - Research Article
Sasson, D. A., Johnson, S. L., & Brockmann, H. J. (2015). Reproductive tactics and mating contexts affect sperm traits in horseshoe crabs (Limulus polyphemus). Behavioral Ecology & Sociobiology, 69(11), 1769-1778. doi: 10.1007/s00265-015-1989-7
Yund, P. O., Collins, C., & Johnson, S. L. (2015). Evidence of a Native Northwest Atlantic COI haplotype clade in the cryptogenic colonial ascidian Botryllus schlosseri. Biological Bulletin, 228(3), 201-216.
Vasquez, M. C., Johnson, S. L., Brockmann, H. J., & Julian, D. (2015). Nest site selection minimizes environmental stressor exposure in the American horseshoe crab, Limulus polyphemus (L.). Journal of Experimental Marine Biology & Ecology, 463, 105-114. doi: 10.1016/j.jembe.2014.10.028
Johnson, S. L., Dunleavy, J., Gemmell, N. J., & Nakagawa, S. (2015). Consistent age-dependent declines in human semen quality: A systematic review and meta-analysis. Ageing Research Reviews, 19, 22-33. doi: 10.1016/j.arr.2014.10.007
2014
Journal - Research Article
Johnson, S. L., Villarroel, M., Rosengrave, P., Carne, A., Kleffmann, T., Lokman, P. M., & Gemmell, N. J. (2014). Proteomic analysis of Chinook salmon (Oncorhynchus tshawytscha) ovarian fluid. PLoS ONE, 9(8), e104155. doi: 10.1371/journal.pone.0104155
2013
Journal - Research Article
Johnson, S. L., & Brockmann, H. J. (2013). Parental effects on early development: Testing for indirect benefits of polyandry. Behavioral Ecology, 24(5), 1218-1228. doi: 10.1093/beheco/art056
2012
Journal - Research Article
Johnson, S. L., & Brockmann, H. J. (2012). Alternative reproductive tactics in female horseshoe crabs. Behavioral Ecology, 23(5), 999-1008. doi: 10.1093/beheco/ars063
Sasson, D. A., Johnson, S. L., & Brockmann, H. J. (2012). The role of age on sperm traits in the American horseshoe crab, Limulus polyphemus. Animal Behaviour, 84(4), 975-981. doi: 10.1016/j.anbehav.2012.07.023
Johnson, S. L., & Gemmell, N. J. (2012). Are old males still good males and can females tell the difference?: Do hidden advantages of mating with old males off-set costs related to fertility, or are we missing something else? BioEssays, 34(7), 609-619. doi: 10.1002/bies.201100157
Conference Contribution - Published proceedings: Abstract
Johnson, S. (2012). Cryptic female choice in salmon: Does sperm motility require a female’s touch? Proceedings of the Centre for Reproduction and Genomics 4th Annual Research Colloquium. (pp. 8). Retrieved from http://www.otago.ac.nz/crg/news/colloquium/
2011
Journal - Research Article
Brockmann, H. J., & Johnson, S. L. (2011). A long-term study of spawning activity in a Florida Gulf coast population of horseshoe crabs (Limulus polyphemus). Estuaries & Coasts, 34(5), 1049-1067. doi: 10.1007/s12237-011-9419-1
2010
Journal - Research Article
Johnson, S. L., & Brockmann, H. J. (2010). Costs of multiple mates: An experimental study in horseshoe crabs. Animal Behaviour, 80(5), 773-782. doi: 10.1016/j.anbehav.2010.07.019
2009
Journal - Research Article
Johnson, S. L., & Yund, P. O. (2009). Effects of fertilization distance on male gain curves in a free-spawning marine invertebrate: A combined empirical and theoretical approach. Evolution, 63(12), 3114-3123. doi: 10.1111/j.1558-5646.2009.00784.x
2008
Journal - Research Article
Johnson, S. L., & Yund, P. O. (2008). Mulitple paternity and subsequent fusion-rejection interactions in a kin-structured population. Marine Ecology Progress Series, 364, 129-134. doi: 10.3354/meps07500
2007
Journal - Research Article
Yund, P. O., Murdock, K., & Johnson, S. L. (2007). Spatial distribution of ascidian sperm: Two -dimensional patterns and short vs. time-integrated assays. Marine Ecology Progress Series, 341, 103-109.
Johnson, S. L., & Yund, P. O. (2007). Variation in multiple paternity in natural populations of a free-spawning marine invertebrate. Molecular Ecology, 16(15), 3253-3262. doi: 10.1111/j.1365-294X.2007.03366.x
Awarded Doctoral Degree
Johnson, S. L. (2007). Mating system dynamics in a free-spawning colonial ascidian (PhD). University of Maine, Orono, ME.
Associate Professor Sheri Johnson is a reproductive ecologist, based at the Centre for Reproduction & Genomics and the Department of Anatomy at the University of Otago.