Pomacea maculata
Pomacea maculata
(giant applesnail)

46 results for Pomacea maculata (giant applesnail)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1447349 LAAcadiaAcadia Parish2018 08080200 Calcasieu-Mermentauestablished
935424 LAAcadiaMermentau River on N edge of large island SSW of Silverwood2015 08080202 Mermentauestablished
935425 LAAcadiaMermentau River, main channel, SSW of Silverwood2015 08080202 Mermentauestablished
1322549 LAAcadiaMermentau River, main channel, SSW of Silverwood2016 08080202 Mermentauestablished
615265 LAAscensionBayou Manchac at Camp Dr and Broussard Rd2013 08070202 Amiteestablished
1633774 LAAscensionDitch in front of house2019 08070204 Lake Maurepasestablished
1522979 LACalcasieuunnamed pond and marsh [E of Choupique Island]2018 08080206 Lower Calcasieuestablished
1322547 LACameronLacassine National Wildlife Refuge Pool2016 08080202 Mermentauestablished
1541384 LACameronLacassine National Wildlife Refuge waters, Unit D of Lacassine Pool2019 08080202 Mermentauestablished
1635396 LACameronWetlands near Sweet Lake2020 08080202 Mermentauunknown
1633845 LAEast Baton Rouge[Drainage ditch], Egg masses observed on bridge abutments.2019 08070201 Bayou Sara-Thompsonestablished
1464345 LAEast Baton RougeLSU Golf Course2016 08070202 Amiteestablished
167927 LAJeffersonVerret Canal in Gretna2006 08090301 East Central Louisiana Coastalestablished
1322428 LAJefferson DavisLake Arthur2016 08080202 Mermentauestablished
1335210 LAJefferson DavisMermentau River2016 08080202 Mermentauestablished
902626 LAJefferson DavisMermentau River approximately two miles south of the US Hwy 90 bridge at the Acadia-Jeff Davis Parish line 2015 08080202 Mermentauestablished
935426 LAJefferson DavisMermentau River at canal at the end of Hwy 31662015 08080202 Mermentauestablished
935423 LAJefferson DavisMermentau River at small canal just East of Bruce Ln2015 08080202 Mermentauestablished
263470 LALafayettea pond in Girard Park, Lafayette2009 08080103 Vermilionestablished
1468955 LALafayetteCajundome Blvd., Lafayette, LA2018 08080103 Vermilionunknown
1473595 LALafayetteDitch at Judice Park2018 08080103 Vermilionunknown
1447372 LALafayetteDitch by intersection of Johnston Street and Duhon Road2017 08080103 Vermilionestablished
1322435 LALafourcheDitch near Gulf Intracoastal Waterway.2016 08090301 East Central Louisiana Coastalestablished
878142 LAOrleansbayou at S end of New Orleans City Park near City Park Ave and Anseman Ave2015 08090203 Eastern Louisiana Coastalestablished
1401662 LAPointe CoupeeFalse River [quarter mile stretch from Highway 413]2017 08070300 Lower Grandestablished

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. [2020]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [6/1/2020].

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.