Ph.D. Candidate
Peter’s research focuses on understanding the physiological mechanisms behind fish responses to angling in addition to identifying the best techniques to ensure optimal fish recovery. His work aims to evaluate the mechanistic, physiological changes occurring in a wide variety of charismatic gamefish species that support recreational fisheries. His particular interests lie in the assessment of cardiac and metabolic contributions to common fish behaviours (eg. feeding, predator evasion, refuge seeking), and the ecological implications of changes in these behaviours (ie. habitat use, post-release mortality, reproduction) resulting from fisheries interactions.
Background
M.Sc – University of Waterloo, Vascular Biology (2014)
Thesis title: Influence of AMPK and ROCK inhibition on contractile responses in isolated carotid arteries in adult and aged WKY and SHR rats – Dr. James Rush
H.BSc – University of Waterloo (2011)
Lab Publications (13)
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Lawrence, M.J., Scheuffele, H., Beever, S.B., Holder, P.E., Garroway, C.J., Cooke, S.J., and Clark, T.D. In Press. The role of metabolic phenotype in the capacity to balance competing energetic demands. Physiological and Biochemical Zoology. 00:000-000.
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Holder, P.E., C.M. Wood, M.J. Lawrence, T.D. Clark, C.D. Suski, J.M. Weber, A.J. Danylchuk and S.J. Cooke. 2022. Are we any closer to understanding why fish can die after severe exercise? Fish and Fisheries. 23:1400-1417.
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Ekström, A., T.S. Prystay, A.E.I. Abrams, A. Carbajal Brossa, P.E. Holder, A.J. Zolderdo, E. Sandblom and S.J. Cooke. 2022. Impairment of branchial and coronary blood flow reduces reproductive fitness, but not cardiac performance in paternal smallmouth bass (Micropterus dolomieu). Comparative Biochemistry and Physiology A. 267:111165.
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Griffin, L.P., J.W. Brownscombe, A.J. Adams, P.E. Holder, A. Filous, G.A. Casselberry, J.K. Wilson, R.E. Boucek, S.K. Lowerre-Barbieri, A. Acosta, D. Morley, S.J. Cooke and A.J. Danylchuk. 2022. Seasonal variation in the phenology of Atlantic Tarpon (Megalops atlanticus) in the Florida Keys: migration, occupancy, repeatability, and management implications. Marine Ecology Progress Series. 684:133-155.
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Chhor, A.D., J.R. Reid, P.E. Holder, L.B. Nowell, J.W. Brownscombe, A.J. Danylchuk and S.J. Cooke. 2022. Temporary retention in cold water reduces post-release behavioural impairment in angled Rainbow Trout (Oncorhynchus mykiss). North American Journal of Fisheries Management. 42:140-150.
