Biodiversity Blog
Featured Species: Slenderhead Darter (Percina phoxocephala)
by Melissa Casarez and Adam Cohen (Ichthyology Collection) Illustration: Joseph Tomelleri The Slenderhead Darter occurs throughout the Mississippi River basin, and only exists in Texas in tributaries of the Red River. It was first documented in TX in 1994 by UT biologists Laurie Dries and David Hillis in Sanders Creek, a...Fish Collection Expands with TPWD
A quick overview of 15 years of UT Fish Collection growth and collaborations with Texas Parks and Wildlife
by Dean A. Hendrickson, Adam E. Cohen, Gary P. Garrett
As stated in the Biodiversity Center’s Collections webpage, the challenges for our collections are to: 1) “document biodiversity,” 2) “understand how biological processes... FEATURED SPECIES: Rio Grande Cichlid (Herichthys cyanoguttatus)
By Melissa Casarez and Adam Cohen (Ichthyology Collection)
Rio Grande Cichlid (Illustration by Joseph Tomelleri)
The Rio Grande Cichlid, sometimes called the Texas Cichlid, is the only member of the Cichlid family native to Texas, and the United States. Their native range includes most of the Rio Grande draina... River Monsters, a Texas Edition
By Adam Cohen, Collection Manager and Melissa Casarez, Assistant Collection Manager (Ichthyology Collection)
We, in the fish collection, often find ourselves wading in deep, murky waters when out collecting around the state in creeks and rivers with steep banks and little chance for a quick escape, if necessary. During these times, we find it ... Fish Collection Finishes Survey of the Little River
by Adam Cohen, Melissa Casarez, and Ryan Rash
Figure adapted from Dennis Rose's thesis showing the major streams in the Little River Basin.
Staff from the Biodiversity Center’s fish collection (home of the Fishes of Texas Project) recently teamed up with Texas Parks and Wildlife Department’s River Studies Program (TPWD) &n... 
