Welcome to the Lackmann Lab!

Alec Lackmann, PhD, is an assistant professor in the Department of Mathematics and Statistics at the University of Minnesota Duluth. His research interests include fisheries, ichthyology, aquatic ecology, quantitative conservation biology, data science, and entomology. 

Lackmann et al. (2023).  Centenarian lifespans of three freshwater fish species in Arizona reveal the exceptional longevity of the buffalofishes (Ictiobus) Scientific Reports, 1-19.


Lackmann, A. R., Bielak-Lackmann, E. S., Jacobson, R. I., Andrews, A. H., Butler, M. G., & Clark, M. E. (2023). Harvest trends, growth and longevity, and population dynamics reveal traditional assumptions for redhorse (Moxostoma spp.) management in Minnesota are not supportedEnvironmental Biology of Fishes, 1-19.


Hupfeld, R. N., Lackmann, A. R., Andrews, A. H., Welte, C., & Jones, G. (2023). Bomb radiocarbon dating reveals 40‐year lifespan of Shovelnose Sturgeon (Scaphirhynchus platorynchus)—Implications for stock assessments of long‐lived, primitive fishes. Fisheries Management and Ecology.


Lackmann, A. R., Sereda, J., Pollock, M., Bryshun, R., Chupik, M., McCallum, K., … & Clark, M. E. (2023). Bet-hedging bigmouth buffalo (Ictiobus cyprinellus) recruit episodically over a 127-year timeframe in Saskatchewan. Canadian Journal of Fisheries and Aquatic Sciences.


Lackmann, A. R., Bielak-Lackmann, E. S., Butler, M. G. & Clark, M. E. (2022). Otoliths suggest lifespans more than 30 years for free-living Bowfin Amia calva – implications for fisheries management in the bowfishing era. J Fish Biolhttps://doi.org/10.1111/jfb.15201


Lackmann, A. R., Bielak-Lackmann, E. S., Jacobson, R. I., Butler, M. G., & Clark, M. E. (2022). Otolith allometry informs age and growth of long-lived Quillback Carpiodes cyprinusEnvironmental Biology of Fishes, 1-14.


Scarnecchia, D.L., Schooley, J.D., Lackmann, A.R., Rider, S.J., Riecke, D.K., McMullen, J., Ganus, J.E., Steffensen, K.D., Kramer, N.W. and Shattuck, Z.R. (2021). The Sport Fish Restoration Program as a Funding Source to Manage and Monitor Bowfishing and Monitor Inland Commercial FisheriesFisheries46(12), 595-604.


Fredrickson, A., Rieucau, G., Fontenot, Q., Lackmann, A. and David, S.R. (2021). Non-lethal fin clip model validation for stable isotope analysis of Spotted and Alligator Gar. Transactions of the American Fisheries Society.


Lackmann, A. R., Kettelhut, S., Paulson, B. L., Anderson, C. M., Goodchild, S. C., Guadalupe, K. D., & Stockwell, C. A. (2021). Thin‐sectioned otoliths reveal sexual dimorphism and a 10‐year lifespan in the endangered Pahrump Poolfish Empetrichthys latosNorth American Journal of Fisheries Management.


Sauer, D. J., Heidinger, B. J., Kittilson, J. D., Lackmann, A. R., & Clark, M. E. (2021). No evidence of physiological declines with age in an extremely long-lived fishScientific Reports11(1), 1-10.


Lackmann, A. R., Kratz, B. J., Bielak-Lackmann, E. S., Jacobson, R. I., Sauer, D. J., Andrews, A. H., Butler, M. G., & Clark, M. E. (2021). Long-lived population demographics in a declining, vulnerable fishery-bigmouth buffalo (Ictiobus cyprinellus) of Jamestown Reservoir, North Dakota. Canadian Journal of Fisheries and Aquatic Sciences.


Radford, D. S., Lackmann, A. R., Moody‐Carpenter, C. J., & Colombo, R. E. (2021). Comparison of Four Hard Structures including Otoliths for Estimating Age in Blue Suckers Cycleptus elongatus. Transactions of the American Fisheries Society.


Lackmann, A. R., Andrews, A. H., Butler, M. G., Bielak-Lackmann, E. S., & Clark, M. E. (2019). Bigmouth Buffalo Ictiobus cyprinellus sets freshwater teleost record as improved age analysis reveals centenarian longevityCommunications Biology, 2(1), 197.

Long-lived fish in the Arizona desert, University of Minnesota (2023)


Interest grows in native fish, Agate, Duluth, Minnesota (2022)


Bigmouth buffalo eat zebra mussels, Aitkin Age (2021)


Bigmouth buffalo in MeatEater’s Das Boat (2020)


112-year-old fish has broken a longevity record, National Geographic (2019)


New appreciation for a Minnesota fishMPR (2019)

Investigating the age structure, longevity, and population demographics of catostomids, holosteans, acipenserids, goodeids and other freshwater fishes in North America

Understanding the ecological interactions between native and invasive fish species including buffalofishes and invasive carp

Study of bowfisheries, rod-and-line fisheries, and inland commercial fisheries in North America

Interested to collaborate?

Interested to collaborate?

Contact us:

Dr. Alec Lackmann (alackman@d.umn.edu)

Dr. Mark Clark (meclark@d.umn.edu)

Dr. Allen Andrews (astrofish226@gmail.com)