Below are some of the beautiful places in which we've been fortunate to conduct research.
South Texas

Mission Reach of the San Antonio River, summer 2021. Photo credit: Matt Troia

Medina River draining the Edwards Plateau. Photo credit: Matt Troia

A non-native suckermouth catfish (Hypostomus plecostomus). Photo credit: Matt Troia

A Rio Grande/Texas cichlid (Herichthys cyanoguttatus). Photo credit: Matt Troia
Desert Southwest

Tributary of Clear Creek, Coconino National Forest, Arizona. Photo credit: Matt Troia

San Pedro River in southern Arizona. Spring 2021. Photo credit: Matt Troia

GIla River downstream of Grapevine Campground near Lordsburg, New Mexico . Photo credit: James Whitney

Overlooking Gila River from the Heart Bar Ranch near Lordsburg, New Mexico. Photo credit: James Whitney
Southern Appalachia

Big South Fork of the Cumberland River, Big South Fork National River and Recreation Area, Tennessee. Photo credit: Matt Troia

Mulberry Fork of the Black Warrior River near Garden City, Alabama. Photo credit: Matt Troia

Tributary of the Redbird River near Manchester, Kentucky. Photo credit: Matt Troia

Little River, Great Smoky Mountains National Park, Tennessee. Photo credit: Matt Troia

Emory River near Wartburg, Tennessee. Photo credit: Matt Troia

Norris Dam and outflow of the Clinch River near Rocky Top, Tennessee. Photo credit: Matt Troia
Great Plains


Ninnescah River near Cheney, Kansas. Photo credit: Matt Troia
Kansas River near Manhattan, Kansas. Photo credit: Matt Troia

Tributary to Fox Creek on Tallgrass Prairie National Preserve near Strong City, Kansas. Photo credit: Matt Troia

Tallgrass Prairie National Preserve near Strong City, Kansas. Photo credit: Matt Troia
Neches River, East Texas

Neches River near Neches, Texas during a high-flow event in autumn 2008. Photo credit: Matt Troia

Neches River near Maydelle, Texas during low-flow period in summer 2009. Photo credit: Matt Troia