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Kevin Thompson
Kevin Thompson

​​​​​​​​​​​​​​​​​Aquatic Research Scientist, Western Slope Native Species and Boreal Toads


Contact Information

Colorado Parks and Wildlife

2300 S. Townsend Ave.

Montrose, CO 81401

Phone: (970) 252-6037



  • M.S., Fishery and Wildlife Biology — Colorado State University, 1995

  • B.S., Fishery Biology — Colorado State University, 1979

Current or Recent Positions

  • Aquatic Research Scientist — Colorado Parks and Wildlife, 2001-Present

  • Research Associate — Colorado Cooperative Fish and Wildlife Research Unit, 1996-2001

  • Wildlife Technician — Colorado Parks and Wildlife, 1995-1996

  • Wildlife Technician — Colorado Parks and Wildlife, 1991-1992

Current or Recent Research Projects

  • Assessing genetic purity and diversity among native sucker populations

  • Defining current distribution of flannelmouth sucker, bluehead sucker, and roundtail chub

  • Use of tributaries by spawning suckers, site fidelity, larval rearing locations

  • Identification of boreal toad individuals using belly spot patterns

  • Use of hormone dosing to induce breeding behavior in boreal toads

Areas of Interest/Expertise

  • Native fish conservation in the Colorado River basin

  • Non-native fish invasion, hybridization with native species

  • Making use of natural identifiers of individuals in boreal toad populations

  • Whirling disease in wild trout populations

Selected Publications

Reprints: for any publications listed here that are not available as pdf files, you may contact Kevin Thompson ( to request a reprint.

Mandeville, E.G., T.L. Parchman, K.G. Thompson, R.I. Compton, K.R. Gelwicks, S.J. Song, and C.A. Buerkle. 2017. Inconsistent reproductive isolation revealed by interactions between Catostomus fish species​.  Evolution Letters 1:255–268. doi:10.1002/evl3.29.

Fraser, G.S., D.L. Winkelman, K.R. Bestgen, and K.G. Thompson. 2017. Flannelmouth and Bluehead Sucker tributary use in the upper White River Drainage, Colorado​. Transactions of the American Fisheries Society 146:858-870. doi:10.1080/00028487.2017.1312522.

Hooley-Underwood, Z.E., S.B. Stevens, and Thompson, K.G. 2017. Short-term Passive Integrated Transponder tag retention in wild populations of Bluehead and Flannelmouth suckers. North American Journal of Fisheries Management 37:582-586. doi:10.1080/02755947​.2017.1303008​.

Nordick, A.W., K.G. Thompson, and K.Z. Fox. 2015. Using digital photographs and pattern recognition to identify individual Boreal Toads (Anaxyrus boreas boreas). Herpetological Review 46(1):18-22. Note: the paper available here is the revision submitted to the journal, not the version of record. If you are interested in the version of record, please contact Kevin Thompson (​) for a reprint.​

Thompson, K.G. 2011. Evaluation of small-scale habitat manipulation to reduce the impact of the whirling disease parasite in streams. Aquatic Ecosystem Health and Management 14(3):305-317.

Thompson, K.G. 2007. Use of site occupanc​y models to estimate prevalence of Myxobolus cerebralis infection in trout.​ Journal of Aquatic Animal Health 19:8-13.

Nehring, R.B., K.G. Thompson, D.L. Shuler, and T.M. James. 2003. Using sediment core samples to examine the spatial distribution of Myxobolus cerebralis actinospore production in Windy Gap Reservoir, Colorado. North American Journal of Fisheries Management 23:376-384.

Nehring, R.B., K.G. Thompson, K. Taurman, and W. Atkinson. 2003. Efficacy of passive sand filtration in reducing exposure of salmonids to the actinospore of Myxobolus cerebralis. Diseases of Aquatic Organisms 57:77-83.

Nehring, R.B., K.G. Thompson, K. A. Taurman, and D.L. Shuler. 2002. Laboratory studies indicating that living brown trout Salmo trutta expel viable Myxobolus cerebralis myxospores. Pages 125-134 in J. L. Bartholomew and J. C. Wilson, editors. Whirling Disease: Reviews and current topics. Symposium 29, American Fisheries Society, Bethesda, Maryland.

Thompson, K.G., R.B. Nehring, D.C. Bowden, and T. Wygant. 2002. Response of rainbow trout after exposure to Myxobolus cerebralis above and below a point source of infectivity in the upper Colorado River. Diseases of Aquatic Organisms 49:171-178.

Nehring, R.B., and K.G. Thompson. 2001. Impact assessment of some physical and biological factors in the whirling disease epizootic among wild trout in Colorado. Special Report Number 76, Colorado Division of Wildlife, Fort Collins, Colorado.

Thompson, K.G., and R.B. Nehring. 2000. A simple technique used to filter and quantify the actinospore of Myxobolus cerebralis and determine its seasonal abundance in the Colorado River.​ Journal of Aquatic Animal Health 12:316-329.

Thompson, K.G., R.B. Nehring, D.C. Bowden, and T. Wygant. 1999. Field exposure of seven species or subspecies of salmonids to Myxobolus cerebralis in the Colorado River, Middle Park, Colorado. Journal of Aquatic Animal Health 11:312-329. (Finalist for Best Paper Award, Journal of Aquatic Animal Health volume 11, 1999 publication year.) ​

Nehring, R.B., K.G. Thompson, and S. Hebein. 1998. Impacts of whirling disease on wild trout populations in Colorado. In K. G. Wadsworth, editor. Transactions of the 63rd North American Wildlife and Natural Resources Conference 63:82-94. Wildlife Management Institute, Washington, D.C.​