Pomacea maculata
Pomacea maculata
(giant applesnail)

136 results for Pomacea maculata (giant applesnail)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1649703   Community retention pond in Cypress, TX2020 12040104 Buffalo-San Jacintounknown
1649688   drainage ditch leading to a flood retention pond in the Firethorne subdivision in Katy, Texas2020 12040104 Buffalo-San Jacintoestablished
1649708   Pond at golf course hole 9 in Katy, TX2020 12040104 Buffalo-San Jacintounknown
1701285 TXFort Bend[No locality description provided]2022 12040104 Buffalo-San Jacinto 
1701315 TXFort Bend[No locality description provided]2022 12040104 Buffalo-San Jacinto 
1701236 TXFort Bend[No locality description provided]2022 12040104 Buffalo-San Jacinto 
1700809 TXFort Bend[No locality description provided]2022 12040104 Buffalo-San Jacinto 
1713039 TXFort Bend“Trails of Katy” subdivision lake, Katy, TX; man-made in 20152023 12040104 Buffalo-San Jacinto 
1653608 TXFort Bendculvert at Emily Park Ln, on ditch draining to Buffalo Bayou, Katy TX, Fort Bend County2020 12040104 Buffalo-San Jacintoestablished
1653594 TXFort BendLake at Eldridge Park, Sugar Land, TX2020 12040104 Buffalo-San Jacintoestablished
1680169 TXFort BendSeven Meadows Lakeside Park, Katy, TX2021 12040104 Buffalo-San Jacintoestablished
1713040 TXFort BendWillow Fork Creek, Katy, TX2023 12040104 Buffalo-San Jacinto 
1678387 TXHarris[No locality description provided]2019 12040104 Buffalo-San Jacinto 
1676510 TXHarris[No locality description provided]2020 12040104 Buffalo-San Jacinto 
242725 TXHarrisa waterbody in Cullen Park near Park View Drive and Barker Cypress Road [between Katy and Houston]2007 12040104 Buffalo-San Jacintoestablished
1732968 TXHarrisAddicks Reservoir, 500 feet from Bear Creek2023 12040104 Buffalo-San Jacinto 
1732967 TXHarrisAddicks Reservoir, Harris County, Texas.2023 12040104 Buffalo-San Jacintolocally established
1713049 TXHarrisAddicks Reservoir, Houston, TX2023 12040104 Buffalo-San Jacinto 
1712100 TXHarrisBarker Reservoir, Houston, Texas2017 12040104 Buffalo-San Jacintofailed
1732359 TXHarrisBear Creek2023 12040104 Buffalo-San Jacinto 
1713035 TXHarrisBear Creek Pioneers Park Pond, Houston, TX2023 12040104 Buffalo-San Jacinto 
1713470 TXHarrisBear Creek, Addicks Reservoir, Houston, Texas2008 12040104 Buffalo-San Jacinto 
1713472 TXHarrisBear Creek, Addicks Reservoir, Houston, Texas2009 12040104 Buffalo-San Jacinto 
1713043 TXHarrisBear Creek, Houston, TX2023 12040104 Buffalo-San Jacinto 
1712099 TXHarrisBorrow pit, which became a lake, inside the Barker Reservoir2017 12040104 Buffalo-San Jacinto 

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. [2024]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [6/13/2024].

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For general information and questions about the database, contact Wesley Daniel. For problems and technical issues, contact Matthew Neilson.