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Biodiversity Blog

 
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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...

River Monsters, a Texas Edition

HoldingAsnapBy 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 ...

FEATURED SPECIES: Rio Grande Chub (Gila pandora)

Gpandora   Illustration by Joseph R. Tomelleri   The only member of this minnow genus known from Texas, the Río Grande Chub, Gila pandora (Cope, 1872), lives in about a dozen sites in Río Grande tributaries of New México, and Colorado, and in one highly isolated, one mile-long section of a small stream in the Davis Mountains o...

Fish Collection Finishes Survey of the Little River

mapby 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...
FEATURED SPECIES: Hogchoker (Trinectes maculatus)

FEATURED SPECIES: Hogchoker (Trinectes maculatus)

by Dr. F. Douglas Martin The Hogchoker is a small flatfish found in bays and estuaries but often spends extended time in rivers feeding on worms and insect larvae in soft mud bottoms.  They get their common name because East Coast fishermen would feed these so-called "trash" fish to their hogs, after which the fish would bow its body into a su...

Featured Species: Fishes of Waller Creek and the Invasive Variable Platyfish (Xiphophorus variatus)

IMG 7504by Adam Cohen (Ichthyology Collection Manager) and Dean Hendrickson (Curator of Ichthyology)   For the last 25 years, the Hendrickson Lab has been monitoring the fishes of Waller Creek, on the UT campus as well as the surrounding vicinity. Their specimen collections have usually included UT students, the public, or local schools, illustr...
Featured Species: Redfin Pickerel (Esox americanus)

Featured Species: Redfin Pickerel (Esox americanus)

by Dr. F. Douglas Martin The Grass or Redfin Pickerel, often referred to by fishermen as “jacks” or “jackfish,” has a wide distribution occurring from southern Quebec to Florida and from the East Coast to the Brazos River drainage in Texas and the Missouri River in Nebraska.  While smaller than its cousins, the Northern Pike and Muskellun...