Astyanax mexicanus
Astyanax mexicanus
(Mexican Tetra)
Native Transplant

40 results for Astyanax mexicanus (Mexican Tetra)
Download Data

Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
44284 TX Guadalupe (HUC6) non-specific1980 12100200 Guadalupeestablished
549729 TXCaldwellSan Marcos River at Martindale2001 12100203 San Marcosestablished
549718 TXCaldwellSan Marcos River at SH 19791979 12100203 San Marcosestablished
549769 TXComalComal Springs2001 12100202 Middle Guadalupeestablished
549723 TXComalGuadalupe River at US2811994 12100201 Upper Guadalupeestablished
549823 TXComalGuadalupe River Drainage: Honey Creek, 9 mi NNW Bulverde1982 12100201 Upper Guadalupeestablished
549814 TXComalGuadalupe River, New Braunfels, NE end of E Common Street1955 12100202 Middle Guadalupeestablished
549859 TXDeWittBird's Creek at gravel road E Westhoff.1994 12100202 Middle Guadalupeestablished
549712 TXDeWittGuadalupe River; reach 1.5 miles upstream of Sandies Creek upstream to power plant1991 12100202 Middle Guadalupeestablished
1469438 TXGonzalesColorado River Hwy 183 bridge crossing, Austin to SH 71 bridge crossing, La Grange2017 12100202 Middle Guadalupeestablished
1469426 TXGonzalesLake Wood2016 12100202 Middle Guadalupeestablished
1469414 TXGuadalupeDunlap Reservoir2014 12100202 Middle Guadalupeestablished
549784 TXGuadalupeGeronimo Creek; entire length2000 12100202 Middle Guadalupeestablished
549798 TXGuadalupeGeronimo Creek; entire length2000 12100202 Middle Guadalupeestablished
549715 TXGuadalupeGeronimo Creek; north of Seguin at Haberle Road1988 12100202 Middle Guadalupeestablished
549709 TXHays4 miles (east?) and 0.5 miles south of San Marcos Spring, Texas.1960 12100203 San Marcosestablished
549809 TXHaysBlanco R., 2 mi. N of San Marcos on US 811961 12100203 San Marcosestablished
549792 TXHaysCypress Creek at Jacobs Well2003 12100203 San Marcosestablished
549826 TXHaysGuadalupe River Drainage: San Marcos River, Thompson Island in San Marcos River.1976 12100203 San Marcosestablished
549808 TXHaysSan Marcos R. at Fish Hatchery, SE of San Marcos1961 12100203 San Marcosestablished
549747 TXHaysSan Marcos River at Cape Rd. crossing2011 12100203 San Marcosestablished
549759 TXHaysSan Marcos River at Spring Lake Dam1949 12100203 San Marcosestablished
549741 TXHaysSan Marcos River at Spring Lake Dam1952 12100203 San Marcosestablished
549754 TXHaysSan Marcos River at Spring Lake Dam1979 12100203 San Marcosestablished
549744 TXHaysSan Marcos River at Spring Lake Dam1979 12100203 San Marcosestablished

Data Disclaimer: Number of records does not imply species abundance. This summary represent collection records only and may not reflect the actual distribution of established populations. These data are preliminary or provisional and are subject to revision. They are being provided to meet the need for timely best science. The data have not received final approval by the U.S. Geological Survey (USGS) and are 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 data.


The data represented on this site vary in accuracy, scale, completeness, extent of coverage and origin. It is the user's responsibility to use these data consistent with their intended purpose and within stated limitations. We highly recommend reviewing metadata files prior to interpreting these data.

Citation information: U.S. Geological Survey. [2021]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [4/16/2021].

Contact us if you are using data from this site for a publication to make sure the data are being used appropriately and for potential co-authorship if warranted. For queries involving fish, please contact Matthew Neilson. For queries involving invertebrates, contact Amy Benson.