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

16 results for Pomacea maculata (giant applesnail)
Download Data
Click here for listing in all states

Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
161604 TXBrazoriaAmerican Canal (CR 296D, west of State Hwy 35, north of Alvin)2000 12040204 West Galveston Bayestablished
52737 TXBrazoriaAmerican Canal at HWY 35 crossing [just N of Alvin, TX]2000 12040204 West Galveston Bayestablished
1417476 TXBrazoriaAmerican Canal at State Highway 35 crossing and off FM 528 [in Alvin]2000 12040204 West Galveston Bayunknown
161605 TXBrazoriaAmerican River at CR 296B (west of State Hwy 35, north of Alvin)2000 12040204 West Galveston Bayestablished
161616 TXBrazoriaMustang Bay, NE of Alvin, W of State Hwy 35 Bypass2000 12040204 West Galveston Bayestablished
161609 TXBrazoriaMustang Bayou at CR 48, west of State Hwy 2882000 12040204 West Galveston Bayestablished
161613 TXBrazoriaMustang Bayou at CR 99, just N of State Hwy 62000 12040204 West Galveston Bayestablished
161612 TXBrazoriaMustang Bayou at Farm to Market Road 1128, NE of Manvel2000 12040204 West Galveston Bayestablished
161610 TXBrazoriaMustang Bayou at State Hwy 288, north of Manvel2000 12040204 West Galveston Bayestablished
161615 TXBrazoriaMustang Bayou at State Hwy 35 (business), south of State Hwy 6, Alvin2000 12040204 West Galveston Bayestablished
161614 TXBrazoriaMustang Bayou at State Hwy 6, west of Alvin2000 12040204 West Galveston Bayestablished
161611 TXBrazoriaMustang Bayou, first crossing east of State HWY 2882000 12040204 West Galveston Bayestablished
161607 TXGalvestonAmerican Canal at Algoa-Friendswood Road, NE of Alvin2000 12040204 West Galveston Bayestablished
161606 TXGalvestonAmerican Canal at Mandale Road, just east of the Galveston County line2000 12040204 West Galveston Bayestablished
52736 TXGalvestonAmerican Canal off FM 528 [just W of League City, TX]2000 12040204 West Galveston Bayestablished
161608 TXGalvestonAmerican Canal South Branch near main east-west canal2000 12040204 West Galveston Bayestablished

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.

Disclaimer:

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. [2025]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [1/14/2025].

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