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Biodiversity Blog

 

The Texas Trout

CutthroatToday the only member of the family Salmonidae (trout, salmon and their relatives) that occurs in Texas is the non-native Rainbow Trout Oncorhynchus mykiss. That species is widely stocked around the state and there is one permanent population in McKittrick Creek, Guadalupe Mountains National Park, where it was introduced in the early 1900s. However...

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...

The Trees of BFL: Sugarberry (Celtis laevigata)

Screen Shot 2019 09 04 at 08.58.36    The sugar hackberry or sugarberry (Celtis laevigata) is a very common tree species at Brackenridge Field Lab. The tree has distinctive warty, gray bark, sometimes turning tan in very old individuals. The leaves have asymmetrical bases, are tapered with sharply pointed tips, and smooth or toothed margins. These trees grow quite ta...

New Tree Frog Named After Biodiversity Center Professor

hillisi torrent frog pose 1024   Photo by Gustavo Pazmiño with BIOWEB Ecuador   Meet Hyloscirtus hillisi, a newly discovered species of Andean tree frog, named after our own Director of the Biodiversity Center: Dr. David Hillis. This frog was discovered by a team of researchers from Pontificia Universidad Católica del Ecuador, led by biologist and UT doctora...