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Biodiversity Blog

 
One Plant of Thousands

One Plant of Thousands

 The Darwin specimen. (Click on image for larger view) International Darwin Day is observed on February 12, the day Charles Darwin was born. Darwin Day asks people to “reflect and act on the principles of intellectual bravery, perpetual curiosity, scientific thinking, and hunger for truth as embodied in Charles Darwin.” In 1831, when he was...
Mis-Stocking Mayhem: The Hunt for Invasive Gobies in the Colorado River Basin

Mis-Stocking Mayhem: The Hunt for Invasive Gobies in the Colorado River Basin

By: Adam Zambie (undergraduate student; College of Natural Sciences; Environmental Science Major and Marine Science Certificate)   Naked Goby (Gobiosoma bosc), source: FoTX Project Website, credit: Joseph R. Tomelleri Texas has a long history of non-native fish introductions into its rivers, streams, and lakes. Many are improbable st...

Space Limitations in UT’s Fluid-preserved Fish Collection – An Opportunistic Test of a Space-efficient Shelving Strategy

Esox headBy: Adam Cohen, Dean Hendrickson and Melissa Casarez Specimens are, in many ways, like books written in languages we are still learning. New technologies like DNA analyses, high-resolution CT scanning, and modern chemistry are providing ways to “read” the complex information stored in specimens. They tell us more about their evolutionary relationsh...

Texas Alligator Lizard

Tx infernalis cropped     Photo: Dr. Eric Pianka   The Texas Alligator Lizard (Gerrhonotus infernalis) is the largest lizard with limbs in Texas, exceeded in length only by Slender Glass Lizards, which are legless. It is also one of the largest alligator lizards in the world. Adults are about 16”-18” in length and endemic to the central...

FEATURED SPECIES: Rio Grande Cichlid (Herichthys cyanoguttatus)

image5By 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...