Pomacea maculata
Pomacea maculata
(giant applesnail)
Mollusks-Gastropods
Exotic
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Impacts

9 results for Pomacea maculata (giant applesnail)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1805207 AZMaricopa[No locality description provided]2016 15060203 Lower Verde 
1522980 AZMaricopaVerde [River]confluence [with the Salt River]2011 15060203 Lower Verdeestablished
1522982 AZMaricopaVerde [River]confluence [with the Salt River]2013 15060203 Lower Verdeestablished
1522984 AZMaricopaVerde [River]confluence [with the Salt River]2014 15060203 Lower Verdeestablished
1522985 AZMaricopaVerde [River]confluence [with the Salt River]2014 15060203 Lower Verdeestablished
1522986 AZMaricopaVerde [River]confluence [with the Salt River]2015 15060203 Lower Verdeestablished
1522988 AZMaricopaVerde [River]confluence [with the Salt River]2016 15060203 Lower Verdeestablished
1522989 AZMaricopaVerde [River]confluence [with the Salt River]2017 15060203 Lower Verdeestablished
1522987 AZMaricopaVerde [River]confluence [with the Salt River]2018 15060203 Lower Verdeestablished

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 [1/20/2026].

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