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* Co-first authors, ^ mentored student

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[29] Hellmann JK*, Keagy J*, Carlson E, Kempfer S^, Bell A. 2023 Predator-induced transgenerational plasticity of parental care behaviour in male threespined stickleback fish across two generations. Proceedings of the Royal Society B 290: 20232582. 

[28] Kustra M, Stiver KA, Marsh-Rollo SE, Hellmann JK, Alonzo SH. 2023. Social environment influences the temporal dynamics of sneak-spawning in a fish with alternative reproductive tactics. American Naturalist 202: 181-191. 

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[27] Afseth C^, Shim A^, Anderson S^, Bell AM, Hellmann JK. 2022 Vertical transmission of horizontally acquired social information in sticklebacks: implications for transgenerational plasticity. Proceedings of the Royal Society B 289: 20220571. 

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[26] Hellmann JK, Carlson ER, Bell AM. 2021. The interplay between sperm-mediated and care-mediated paternal effects in threespined sticklebacks. Animal Behaviour. 

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[25] Chen E^, Zielinski C^, Deno J^, Singh R^, Bell AM, Hellmann JK. 2021. The specificity of sperm-mediated paternal effects in threespine sticklebacks. Behavioral Ecology and Sociobiology 75.

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[24] Hellmann JK, Bukhari SA, Deno J^, Bell AM. 2020. Sex-specific plasticity across generations I: Maternal and paternal effects in sons and daughters. Journal of Animal Ecology 89: 2788-2799.

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[23] Hellmann JK, Carlson ER, Bell AM. 2020. Sex-specific plasticity across generations II: grandpaternal effects are lineage- and sex-specific. Journal of Animal Ecology 89: 2800-2812.

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[22] Hellmann JK, Stiver KA, Marsh-Rollo SE, Alonzo SH. 2020. Defense against outside competition is linked to cooperation and conflict in male-male partnerships in the ocellated wrasse. Behavioral Ecology 31: 432-439.  

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[21] Donelan SC*, Hellmann JK*, Bell AM, Luttbeg B, Orrock JL, Sheriff MJ, Sih A. 2020. Transgenerational plasticity in human-altered environments. Trends in Ecology and Evolution 35: 115-124.

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[20] Bell AM*, Hellmann JK*. 2019. Transgenerational plasticity: mechanisms, evolution, and ecological significance. Annual Review of Ecology, Evolution, and Systematics 50: 97-118. 

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[19] Dellinger M^, Zhang W, Bell AM, Hellmann JK. 2018. Do male sticklebacks use visual and/or olfactory cues to assess a potential mate's history with predation risk? Animal Behaviour 145: 151-159

 

[18] Hellmann JK, Hamilton IM. 2018. Intragroup social dynamics vary with the presence of neighbors  in a cooperatively breeding fish. Current Zoology, zoy025.

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[17]  Hellmann JK, Hamilton IM. 2018. Dominant and subordinate outside options alter help and eviction in a pay-to-stay negotiation model. Behavioral Ecology 29: 553-562. 

 

[16] Sabol AC*^, Hellmann JK*, Gray SM, Hamilton IM. 2017. The role of ultraviolet coloration in intrasexual interactions in a colonial fish. Animal Behaviour 131: 99-106. 

 

[15] Reddon AR, O’Connor CM, Nesjen E, Cameron J, Hellmann JK, Ligocki IY, Marsh-Rollo SE, Hamilton IM, Wylie D, Balshine S, Hurd P. 2017. Isotocin neuronal phenotypes differ among social systems in cichlid fishes. Royal Society Open Science. 

 

[14] Hellmann JK, Sovic M, Gibbs, HL, Reddon AR, O’Connor CM, Ligocki IY, Marsh-Rollo SE,  Balshine S, Hamilton IM. 2016. Within-group relatedness is correlated with colony-level social structure and reproductive sharing in a social fish. Molecular Ecology 25: 4001-4013. 

 

[13] Reddon AR, O’Connor CM, Ligocki IY, Hellmann JK, Marsh-Rollo SE, Hamilton IM, Balshine S. 2016. No evidence for larger brains in cooperatively breeding fishes. Canadian Journal of Zoology 94: 373-378.

 

[12] Hellmann JK, Ligocki IY, O’Connor CM, Reddon AR, Farmer TM, Marsh-Rollo SE, Balshine S, Hamilton IM. 2016. The influence of status and the social environment on energy stores in a social fish. Journal of Fish Biology 88, 1321-1334.

 

[11] Ligocki IY, Reddon AR, Hellmann JK, O’Connor CM, Marsh-Rollo SE, Balshine S, Hamilton IM. 2015. Social status influences responses to unfamiliar conspecifics in a cooperatively breeding fish. Behaviour 152, 1821-1839.

 

[10] Ligocki IY, Earley RL, Hellmann JK,  Hamilton IM. 2015. Variation in glucocorticoid levels in relation to direct and third-party interactions in a social cichlid fish. Physiology and Behavior 151, 386-394.

 

[9] O’Connor CM, Reddon AR, Ligocki IY, Hellmann JK, Garvy KA, Marsh-Rollo SE, Hamilton IM, Balshine S. 2015. Motivation but not body size influences territorial contest dynamics in a wild cichlid fish. Animal Behaviour 107, 19-29.

 

[8] Hellmann JK, Ligocki IY, O’Connor CM, Reddon AR, Garvy KA, Marsh-Rollo SE, Gibbs HL, Balshine S, Hamilton IM. 2015. Reproductive sharing in relation to group and colony-level attributes in a cooperatively breeding fish. Proceedings of the Royal Society: B 282, 20150954.

 

[7] Hellmann JK*, Reddon AR*, Ligocki IY, O’Connor CM, Garvy KA, Marsh-Rollo SE, Balshine S, Hamilton IM. 2015. Changes in submissive behaviour in response to social perturbation: Impacts of isotocin and the social landscape.  Animal Behaviour 105, 55-62.

 

[6] Hellmann JK, O’Connor CM, Ligocki IY, Farmer TM, Arnold TJ^, Reddon AR, Garvy KA, Marsh-Rollo SE, Balshine S, Hamilton IM. 2015. Evidence for alternative male morphs in a Tanganyikan cichlid fish. Journal of Zoology 296, 116-123.

 

[5] Hellmann JK, Erikson J, Queenborough S. 2015. Evaluating macroinvertebrate community structure in the confluence of freestone and limestone streams. Journal of Limnology 74: 64-74.

 

[4] Garvy K, Hellmann JK, Ligocki IY, Reddon AR, Marsh-Rollo SE, Hamilton IM, Balshine S, O’Connor CM. 2015. Sex and social status affect territorial defense in a cooperatively breeding cichlid fish, Neolamprologus savoryi. Hydrobiologia 748: 75-85.

 

[3] Wilkenfeld DA*, Hellmann JK*. 2014. Understanding beyond grasping propositions: a study of chess and fish. Studies in History and Philosophy of Science 48: 46-51.

 

[2] O’Connor CM, Reddon AR, Marsh-Rollo SE, Hellmann JK, Ligocki IY, Hamilton IM, Balshine S. 2014. A comparative study of immune response and social system in Lamprologine cichlid fishes. Naturwissenschaften 101: 839-849.

 

[1] Hellmann JK, Hamilton IM. 2014. The presence and familiarity of neighbors influences defense against predators in a cooperatively breeding cichlid. Behavioral Ecology 25: 386-391.

 

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