Common name: Guadalupe Bass
available through www.itis.gov
Identification: Hubbs et al. (1991); Page and Burr (1991).
Size: 40 cm.
Native Range: Edwards Plateau in the Brazos, Colorado, Guadalupe, and San Antonio river drainages, Texas (Page and Burr 1991).
Table 1. States with nonindigenous occurrences, the earliest and latest observations in each state, and the tally and names of HUCs with observations†. Names and dates are hyperlinked to their relevant specimen records. The list of references for all nonindigenous occurrences of Micropterus treculii are found here.
Table last updated 9/26/2021
† Populations may not be currently present.
Means of Introduction: Unknown.
Status: Established in Texas.
Impact of Introduction: The impacts of this species are currently unknown, as no studies have been done to determine how it has affected ecosystems in the invaded range. The absence of data does not equate to lack of effects. It does, however, mean that research is required to evaluate effects before conclusions can be made.
References: (click for full references)
Texas Parks and Wildlife Department. 2001. Fish Records: Water Body - All Tackle. Texas Parks and Wildlife Department. April 24, 2001.
Revision Date: 5/29/2019
Peer Review Date: 12/16/2010
Fuller, P., 2021, Micropterus treculii (Vaillant and Bocourt, 1874): U.S. Geological Survey, Nonindigenous Aquatic Species Database, Gainesville, FL, https://nas.er.usgs.gov/queries/FactSheet.aspx?speciesID=406, Revision Date: 5/29/2019, Peer Review Date: 12/16/2010, Access Date: 9/26/2021
This information is preliminary or provisional and is subject to revision. It is being provided to meet the need for timely best science. The information has not received final approval by the U.S. Geological Survey (USGS) and is provided on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from the authorized or unauthorized use of the information.