Associate Professor Katrina McGuigan

Associate Professor Quant. Genetics

School of Biological Sciences
Faculty of Science
+61 7 336 52855


My research aims to understand the processes generating and eliminating genetic variation, and the consequences of these for evolution. This research has three specific foci. First, we study native Australian rainforest flies, using simple phenotypes like wing shape to provide insights into how genetic variation arises through mutation and evolves under selection. Second, in both flies and in fishes, we study how the biotic and abiotic environment affects the contribution of genetic variation to phenotypes. The environment applies selection, but can also directly determine the genetic basis of the traits under selection, and affect the rate of evolution when environments change. Third, we seek to understand how morphology, physiology and behaviour interact to cause variation in functional performance, particularly swimming performance in fish. All organisms must perform certain functions (e.g., feeding, moving), and their performance of these functions directly determines their fitness.


  • Doctor of Philosophy, The University of Queensland
  • Bachelor of Science (Honours), The University of Queensland


View all Publications


View all Grants


  • Doctor Philosophy

  • Doctor Philosophy

  • Doctor Philosophy

View all Supervision


Featured Publications

Book Chapter

  • McGuigan, K. and Aguirre, J. D. (2016). Quantitative genetic variation, comparing patterns of. Encyclopedia of evolutionary biology. (pp. 377-387) edited by Richard M. Kliman. Kidlington, Oxford, United Kingdom: Elsevier. doi: 10.1016/B978-0-12-800049-6.00045-7

Journal Article

Conference Publication

  • McGuigan, Katrina, Nishimura, Nicole, Currey, Mark, Hurwit, Dan and Cresko, William A. (2010). Quantitative genetic variation in static allometry in the threespine stickleback. Annual Meeting of the Society for Integrative and Comparative Biology (SICB 2010), Seattle, United States, 3-7 January 2010. McLean, VA, United States: Society for Integrative and Comparative Biology. doi: 10.1093/icb/icq026

Other Outputs

Grants (Administered at UQ)

PhD and MPhil Supervision

Current Supervision

  • Doctor Philosophy — Principal Advisor

    Other advisors:

  • Doctor Philosophy — Principal Advisor

  • Doctor Philosophy — Principal Advisor

  • Doctor Philosophy — Associate Advisor

    Other advisors:

Completed Supervision