Pomacea maculata
Pomacea maculata
(giant applesnail)
Mollusks-Gastropods
Exotic
Collection Info
Point Map
Species Profile
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Impacts

11 results for Pomacea maculata (giant applesnail)
Download Data

Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1473247 TXAngelinaSam Rayburn Reservoir2018 12020005 Lower Angelinaunknown
1634570 TXAngelinaSam Rayburn Reservoir2020 12020005 Lower Angelinaestablished
1653586 TXAngelinaSam Rayburn Reservoir, Zavalla, TX2020 12020005 Lower Angelinaestablished
1687274 TXOrangeSmith Lake2020 12020003 Lower Nechesestablished
1687275 TXOrangeSmith Lake2020 12020003 Lower Nechesestablished
1634569 TXOrangeSmith Lake, Vidor TX, near RV park2020 12020003 Lower Nechesestablished
1703005 TXOrangeTen-mile bayou off the Neches River2022 12020003 Lower Neches 
1703007 TXOrangeTen-mile bayou, Neches River2021 12020003 Lower Neches 
1703006 TXOrangeTen-mile bayou, Neches River2022 12020003 Lower Neches 
1891125 TXSan Augustine[No locality description provided; coordinates obscured by collector]2025 12020005 Lower Angelina 
1713036 TXSan AugustineSam Rayburn Reservoir2023 12020005 Lower Angelina 

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.

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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. [2026]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [2/22/2026].

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