Dr. Craig F. Purchase Evolutionary Ecology of Fishes Research Program

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Year	Reference	Download
In review	Purchase, C.F., C.P. Hanley, T.H. Lantiegne, & S. Poulos. Hybridization potential of brown trout, with particular reference to invaded environments. Preprint DOI https://doi.org/10.32942/X2P32M
In revision	Purchase, C.F., J.P. Evans, & J. Roncal. Integrating natural and sexual selection across the biphasic life cycle. Preprint DOI 10.32942/osf.io/eu3am
In revision	MacDonald, K.J, S.J. Leroux, & C.F. Purchase. Landscape, demographic, and dispersal parameters influence the spread and establishment of an aquatic biological invasion. Preprint DOI https://doi.org/10.21203/rs.3.rs-1514165/v1
2023	Lantiegne, T.H., & C.F. Purchase. Can cryptic female choice prevent invasive hybridization in external fertilizing fish? Evolutionary Applications 16: 1412-1421	link
2023	Graziano, M., S. Palit, A. Yethiraj, S. Immler, M.J.G. Gage, & C.F. Purchase. Frequency-dependent viscosity of salmon ovarian fluid has biophysical implications for sperm-egg interactions. Journal of Experimental Biology (2023) 226, jeb244712	link
2022	Purchase, C. F. The undiscovered contraception: does post-ejaculatory cryptic female choice reduce hybridization in salmonids?  Pages 224-228 in J. S. Gregory editor. Wild Trout XIII: Reducing the gap between science and public opinion, West Yellowstone, Montana.	link
2022	Penney, H.D., D. Keefe, R. Perry, & C.F. Purchase. Evidence of hatch time-based growth compensation in the early life history of two salmonid fishes. Ecology & Evolution, 12, 39636.	link
2022	Purchase, C.F., A.C. Rooke, M.J. Gaudry, J.R. Treberg, E.A. Mittell, M.B. Morrissey & M.D. Rennie. A synthesis of senescence predictions for indeterminate growth, and support from multiple tests in wild lake trout. Proceedings of the Royal Society B, 289.	link
2020	Van Leeuwen, T., Dempson, B., Burke, C., Kelly, N., Robertson, M., Lennox, R.J., Havn, T., Svenning M., Hinks, R., Guzzo, M.M., Thorstad, E., Purchase C.F., Bates, A. Mortality of Atlantic salmon after catch and release angling: assessment of a recreational Atlantic salmon fishery in a changing climate. Canadian Journal of Fisheries & Aquatic Sciences, 77: 1518-1528.	link
2020	Van Leeuwen, T.E., J.B. Dempson, C.M. Burke, N.I. Kelly, C.F. Purchase, & A.E. Bates. Temperature-induced mortality assesment of catch and release angling on Atlantic salmon (Salmo salar L.). DFO Can. Sci. Advis. Sec. Res. Doc. 2020/029. vi + 51p.
2020	Purchase, C.F., & A.C. Rooke. Freezing ovarian fluid does not alter how it affects fish sperm swimming performance: creating a cryptic female choice “spice rack” for use in split-ejaculate experimentation. Journal of Fish Biology, 96: 693-699.	link
2020	Orbach, D.N., A.C. Rooke, J.P. Evans, T.E. Pitcher, & C.F. Purchase. Assessing the potential for post-ejaculatory female in a polyandrous beach spawning fish. Journal of Evolutionary Biology, 33: 449-459.	link
2019	Penney, H.D., M.A. Litt, & C.F. Purchase. Threshold temperature constraints on reproduction of the banded killifish (Fundulus diaphanous). Journal of Freshwater Ecology, 34: 771-782.	link
2019	Orbach, D.N., M. Donovan, & C.F. Purchase. Sexually selected traits are larger and more variable in male than female beach-spawning capelin (Mallotus villosus). Journal of Fish Biology, 95: 1385-1390.	link
2019	Rooke, A.C., B. Palm-Flawd, & C.F. Purchase. The impact of a changing winter climate on the hatch phenology of one of North America’s largest Atlantic salmon populations. Conservation Physiology, 7(1) coz015.	link
2019	Beirão, J., Baillon, L, Litt, M.A., Langlois, V.S., & C.F. Purchase. Impact of crude oil and dispersant on capelin (Mallotus villosus) embryo development. Marine Environmental Research, 147: 90-100.	link
2019	Beirão, J., T.B. Egeland, C.F. Purchase, & J.T. Nordeide. Fish sperm competition in hatcheries and between wild and hatchery origin fish in nature. Theriogenology, 133: 201-209.	link
2018	Beirão, J., Litt, M.A., & C.F. Purchase. Chemically dispersed crude oil affects sperm fertilizing ability but not sperm swimming behaviour in capelin (Mallotus villosus). Environmental Pollution, 241: 521-528	link
2018	Penney, H.D., Beirão, J., & C.F. Purchase. Phenotypic plasticity during external embryonic development is affected more by maternal effects than multiple abiotic factors in brook trout. Evolutionary Ecology Research, 19: 171-194.	link
2018	Purchase, C.F., Palm-Flawd, B., and L. Charron. Performance of instream Jordan-Scotty salmon egg incubators under different installation and siltation conditions. North American Journal of Fisheries Management, 38: 462-468.	link
2018	Beirão, J., J.A. Lewis, B.F. Wringe, & C.F. Purchase. A novel sperm adaptation to evolutionary constraints on reproduction: pre-ejaculatory sperm activation in the beach spawning capelin (Osmeridae). Ecology & Evolution, 2018: 2343-2349.	link
2018	Loeppky, A.R., Purchase, C.F., & G.K. Davoren. Maternal investment and ambient water chemistry influence chemical signatures in embryonic otoliths of capelin, Mallotus villosus. Journal of Experimental Marine Biology and Ecology, 498: 25-31.	link
2018	Purchase, C.F. Low tolerance of salt water in a marine fish: new and historical evidence for surprising local adaptation in the well-studied commercially exploited capelin. Canadian Journal of Fisheries and Aquatic Sciences, 75: 673-681.	link
2017	Purchase, C.F. First report of Trachipterus arcticus (Lampriformes: Trachipteridae) from Canadian waters. Canadian Field Naturalist, 131(4): 325-327.	link
2016	Wringe, B.F., C.F. Purchase, & I.A. Fleming. In search of a cultured fish phenotype: a systematic review, meta-analysis and vote counting analysis. Reviews in Fish Biology and Fisheries, 26: 351-373.	link
2016	Clarke, C.N., D.J. Fraser, & C.F. Purchase. Life-long and carry-over effects of early captive exposure in Atlantic salmon. Animal Conservation, 19: 350-359.	link
2015	Wringe, B.F, I.A. Fleming, & C.F. Purchase. Rapid morphological divergence of cultured Atlantic cod of the northwest Atlantic from their source population. Aquaculture Environment Interactions, 7: 167-177.	link
2015	Wringe, B, I.A. Fleming, & C.F. Purchase. The spawning success of cultured and wild male Atlantic cod is equal when competed in trios. Marine Ecology Progress Series, 535: 197-211.	link
2015	Warner, L.A., C.F. Purchase, & G. Veinott. Seasonal variation in estuarine habitat use by native Atlantic salmon and invasive brown trout in southeast Newfoundland. Northeastern Naturalist, 22(2): 424-426.	PDF
2015	Beirão, J., C.F. Purchase, B.F. Wringe, & I.A. Fleming. Inter-population ovarian fluid variation differentially modulates sperm motility in Atlantic cod. Journal of Fish Biology, 87: 54-68.	PDF
2015	Beirão, J., J. Lewis, & C.F. Purchase. Spermatozoa ultrastructure of two osmerid fishes in the context of their family (Teleostei: Osmeriformes: Osmeridae). Journal of Applied Ichthyology, 31 (Supplement 1): 28-33.	PDF
2014	Mitchell, J.S., & C.F. Purchase. Rapid colonization of a species at risk: a new eastern range limit for Banded killifish, Fundulus diaphanus in Newfoundland. Northeastern Naturalist, 21(3): 41-44.	PDF
2014	Beirão, J., C.F. Purchase, B.F. Wringe, & I.A. Fleming. Wild Atlantic cod sperm motility is negatively affected by ovarian fluid of farmed females. Aquaculture Environment Interactions, 5: 61-70.	PDF
2014	Veinott, G., P.A.H. Westley, C.F. Purchase, & L. Warner. Experimental tests to confirm chemical stability of otolith cores reveal significant variability and post-depositional changes. Canadian Journal of Fisheries and Aquatic Sciences, 71: 356-365.	PDF
2014	Beirão, J., C.F. Purchase, B.F. Wringe, & I.A. Fleming. Sperm plasticity to elevated seawater temperatures in Atlantic cod (Gadus morhua) is affected more by population origin than individual environmental exposure. Marine Ecology Progress Series, 495: 263-274.	PDF
2013	Puckrin, O.A., C.F. Purchase, & E.A. Trippel. Using purposeful inbreeding to reduce outbreeding depression caused by escaped cultivated Atlantic cod. Aquaculture Environment Interactions, 4: 207-221.	PDF
2013	Zimmermann, E., C.F. Purchase, I.A. Fleming, & J. Brattey. Dispersal of wild and escapee farmed Atlantic cod (Gadus morhua) in Newfoundland. Canadian Journal of Fisheries and Aquatic Sciences, 70: 747-755.	PDF
2012	Zimmermann, E., C.F. Purchase, & I.A. Fleming. Reducing the incidence of net cage biting and the expression of escape-related behaviours in Atlantic cod (Gadus morhua) with feeding and cage enrichment. Applied Animal Behaviour Science, 141: 71-78.	PDF
2012	Purchase, C.F., & T.R. Moreau. Stressful environments induced novel phenotypic variation: hierarchical reaction norms for sperm performance of a pervasive invader. Ecology and Evolution, 2(10): 2567-2576.	PDF
2012	Purchase, C.F., & P. Earle. Modifications to the ImageJ computer assisted sperm analysis (CASA) plugin greatly improve efficiency and fundamentally alter the scope of attainable data. Journal of Applied Ichthyology, 28: 1013-1016. DOWNLOAD modified ImageJ CASA_automated instruction and execution files DOWNLOAD sample videos for CASA_automated (five 21s zipped videos are 3GB)	PDF
2012	Veinott, G., P.A.H. Westley, L.A. Warner, & C.F. Purchase. Assigning origins in a potentially mixed-stock recreational sea trout (Salmo trutta) fishery. Ecology of Freshwater Fish, 21: 541-551.	PDF
2010	Rennie, M.D., C.F. Purchase, B.J. Shuter, N.C. Collins, P.A. Abrams, & G.E. Morgan. Prey life-history and bioenergetic reponses across a predation gradient. Journal of Fish Biology, 77: 1230-1251.	PDF
2010	Gavaris, S., K.J. Clark, A.R. Hanke, C.F. Purchase, & J. Gale, 2010. Overview of discards from Canadian commercial fisheries in NAFO Divisions 4V, 4W, 4X, 5Y, and 5Z for 2002-2006. Canadian Technical Report of Fisheries and Aquatic Sciences 2873: vi + 112 p.	PDF
2010	Purchase, C.F., I.A.E. Butts, A. Alonso-Fernández, & E.A. Trippel. Thermal reaction norms in sperm performance of Atlantic cod (Gadus morhua). Canadian Journal of Fisheries and Aquatic Sciences, 67: 498-510.	PDF
2009	Wheeler, J.P., C.F. Purchase, P.D.M. Macdonald, R. Fill, L. Jacks, H. Wang, & C.L. Ye. Temporal changes in maturation, mean length-at-age, and condition of spring-spawning Atlantic herring (Clupea harengus) in Newfoundland waters. ICES Journal of Marine Science, 66: 1800-1807.	PDF
2008	Rennie, M.D., C.F. Purchase, N.P. Lester, N.C. Collins, B.J. Shuter, & P.A. Abrams. Lazy males? Bioenergetic differences in energy acquisition and metabolism help to explain sexual size dimorphism in percids. Journal of Animal Ecology, 77: 916-926.	PDF
2008	Purchase, C.F., & J.A. Hutchings. A temporally stable spatial pattern in the spawner density of a freshwater fish: evidence for an ideal despotic distribution. Canadian Journal of Fisheries and Aquatic Sciences, 65: 382-388	PDF
2007	Purchase, C.F., D.J. Hasselman, & L.K. Weir. Relationship between fertilization success and the number of milt donors in rainbow smelt Osmerus mordax (Mitchell): implications for population growth rates. Journal of Fish Biology, 70: 934-946.	PDF
2006	Purchase, C.F., J.A. Hutchings, & G.E. Morgan. The biological and statistical significance of life history invariants in walleye (Sander vitreus). Evolutionary Ecology Research, 8: 295-308.	PDF
2006	Purchase, C.F., H.P. Benoît, D.L. Boyce, G.E. Brown, V. Gotceitas, B.J. Laurel, V. Puvanendran, and R.J. Thompson. TRIBUTE: Joseph A. Brown, Ph.D. Canadian Journal of Fisheries and Aquatic Sciences, 63: iii-iv.	PDF
2005	Purchase, C.F., N.C. Collins, G.E. Morgan, & B.J. Shuter. Sex-specific covariation among life history traits of yellow perch (Perca flavescens). Evolutionary Ecology Research, 7: 549-566.	PDF
2005	Purchase, C.F., N.C. Collins, & B.J. Shuter. Sensitivity of maximum sustainable harvest rates to intra-specific life history variability of lake trout (Salvelinus namaycush) and walleye (Sander vitreus). Fisheries Research, 72: 141-148.	PDF
2005	Purchase, C.F., N.C. Collins, G.E. Morgan, & B.J. Shuter. Predicting life history traits of yellow perch Perca flavescens from environmental characteristics of lakes. Transactions of the American Fisheries Society, 134: 1369-1381.	PDF
2005	Rennie, M.D., N.C. Collins, C.F. Purchase, & A. Tremblay. Predictive models of benthic invertebrate methylmercury in Ontario and Quebec lakes. Canadian Journal of Fisheries and Aquatic Sciences, 62: 2770-2783.	PDF
2005	Shuter, B.J., N.P. Lester, J. La Rose, C.F. Purchase, K.Vascotto, G. Morgan, N.C. Collins, & P.A. Abrams. Optimal life histories and food web position: linkages between somatic growth, reproductive investment and mortality. Canadian Journal of Fisheries and Aquatic Sciences, 62: 738-746.	PDF
2002	Purchase, C.F., D.L. Boyce, & J.A. Brown. Occurrence of hypomelanization in cultured yellowtail flounder. Aquaculture Research, 33: 1191-1193.	PDF
2001	Purchase, C.F., & J.A. Brown. Stock‑specific changes in growth rates, food conversion efficiencies, and energy allocation in response to temperature change in juvenile Atlantic cod. Journal of Fish Biology, 58: 36-52.	PDF
2001	Purchase, C.F., S.V. Goddard, & J.A. Brown. Production of antifreeze glycoproteins in cultured and wild juvenile Atlantic cod (Gadus morhua L.) under common laboratory environments. Canadian Journal of Zoology, 79: 610-615.	PDF
2000	Purchase, C.F., D.L. Boyce, & J.A. Brown. Growth and survival of juvenile yellowtail flounder (Pleuronectes ferrugineus) under different photoperiods. Aquaculture Research, 31: 547‑552.	PDF
2000	Purchase, C.F., & J.A. Brown. Inter‑population differences in growth rates and food conversion efficiencies of young Grand Banks and Gulf of Maine Atlantic cod (Gadus morhua). Canadian Journal of Fisheries and Aquatic Sciences, 57: 2223‑2229.	PDF