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TPWD discovers zebra mussels at Lake Brownwood

  The Texas Parks and Wildlife Department (TPWD) has detected invasive zebra mussels at Lake Brownwood in the Colorado River Basin, southeast of Abilene. Zebra mussel larvae were detected in plankton samples collected at two sites approximately three miles apart at Lake Brownwood in November. This is the second lake in the Upper Colorado River Basin where zebra mussels have now been detected, which indicates this species is continuing to spread westward. To date, no adult mussels have been found in the lake. In late March, TPWD staff conducted intensive shoreline and substrate surveys at both locations where larvae were detected. In addition, surveys were conducted at a third marina site, but no settled juvenile or adult mussels were found at any of the sites.

Bad News – Zebra Mussels Detected at Lake Brownwood

The Texas Parks and Wildlife Department (TPWD) has detected invasive zebra mussels at Lake Brownwood in the Colorado River Basin,. Zebra mussel larvae were detected in plankton samples collected at two sites approximately three miles apart at Lake Brownwood in November. This is the second lake in the Upper Colorado River Basin where zebra mussels have now been detected, which indicates this species is continuing to spread westward. To date, no adult mussels have been found in the lake. In late March, TPWD staff conducted intensive shoreline and substrate surveys at both locations where larvae were detected. In addition, surveys were conducted at a third marina site, but no settled juvenile or adult mussels were found at any of the sites.

Lake Placid is infested with zebra mussels, also found at Medina Lake

Lake Placid is infested with zebra mussels, also found at Medina Lake By Lauren Reid AUSTIN, Texas - Lake Placid is fully infested with zebra mussels, according to the Texas Parks and Wildlife Department (TPWD). Infested status means that there is now evidence of an established, reproducing population of zebra mussels in the lake. TPWD also said zebra mussels had been detected at Medina Lake. The detection in Medina Lake, located near Bandera, marks the first introduction of invasive zebra mussels in the San Antonio River Basin. Finding zebra mussels in a new river basin, unfortunately, means that they’ve most likely been transported there by boats, barges, or other equipment that didn’t take appropriate precautions to prevent their spread, said Monica McGarrity, TPWD Senior Scientist for Aquatic Invasive Species.  The vigilance of all boaters and anglers is needed to stop or slow the further spread of zebra mussels in Texas lakes.

Zebra mussels detected at Medina Lake, Lake Placid designated as infested

Zebra mussels detected at Medina Lake, Lake Placid designated as “infested” Zebra Mussels. Courtesy: Texas Parks and Wildlife By KLTV Digital Media Staff | March 16, 2021 at 10:27 AM CDT - Updated March 16 at 10:27 AM AUSTIN – The Texas Parks and Wildlife Department (TPWD) has detected invasive zebra mussels at Medina Lake and Lake Placid will be re-classified as “fully infested.” Infested status signifies that there is now evidence of an established, reproducing population of zebra mussels in the lake. The detection in Medina Lake, located near Bandera, marks the first introduction of invasive zebra mussels in the San Antonio River Basin. On Feb. 11, a member of the public submitted a report with a photo to TPWD of a zebra mussel located at a boat ramp near the mouth of Haby’s Cove. Shortly after the winter storms, TPWD staff conducted searches at the site where the original mussel was found and near Red Cove Marina. Biologists located two ze

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