![Matthew Pintar Photograph of Matthew Pintar sitting on a rock surrounded by rocks, snow, and mountains with a lake behind him.](http://www.matthewpintar.net/wp-content/uploads/2019/09/IMG_7788-1.jpg)
Matthew R. Pintar
I am an aquatic ecologist who studies the factors that affect community and population dynamics of freshwater organisms. This work involves habitat selection by aquatic insects and amphibians, long-term dynamics of animal populations, and the biogeography and taxonomy of aquatic insects.
![Fig 2 - PCA vectors This is a figure illustrating the results of a principal components analysis of traits of several aquatic beetle species and their susceptibility to a predator](http://www.matthewpintar.net/wp-content/uploads/2021/10/Fig-2-PCA-vectors.jpg)
My research focuses on the community and population dynamics of freshwater animals, particularly fish and a wide array of invertebrates, including beetles and water bugs.
![Everglades-swamp-eels-graphical-abstract-STOTEN-R1 Images of prey species and their pre-invasion and post-invasion densities in the Everglades, along with their percent changes following swamp eel invasion.](http://www.matthewpintar.net/wp-content/uploads/2022/10/Everglades-swamp-eels-graphical-abstract-STOTEN-R1-scaled.jpg)
Our paper "Hydrology-mediated ecological function of a large wetland threatened by an invasive predator" has been published in Science of the Total Environment. In this paper, we attribute the near-complete loss of crayfish and some small fish from the Everglades to the invasion of the Asian Swamp Eel (Monopterus albus/javanensis).
![Thermonectus_nigrofasciatus_male copy This is a ventral photograph of an adult male predaceous diving beetle with a red venter and carrying an air bubble](http://www.matthewpintar.net/wp-content/uploads/2019/09/Thermonectus_nigrofasciatus_male-copy.png)
I provide aquatic insect identification, curation, and collection services. Please contact me for more info.