Specimen Information

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

Specimen ID1740340
GroupMollusks-Gastropods
GenusPomacea
Speciesmaculata
Common Namegiant applesnail
StateTX
CountyHarris
LocalityDrainage ditch at Mike Driscoll Park
Mapping AccuracyAccurate
HUC8 NameBuffalo-San Jacinto
HUC8 Number12040104
HUC10 NameBrays Bayou
HUC10 Number1204010404
HUC12 NameKeegans Bayou-Brays Bayou
HUC12 Number120401040401
Map
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Collection Day19
Collection Month12
Collection Year2024
Year AccuracyActual
Potential Pathwaydispersed | hitch hiker | released aquarium
Statusfailed
CommentsSnails present during flooding, and inhabit drainage ditch seasonally during high water conditions.
Record TypeNAS sighting report
VerifierC. Morningstar, USGS
Number Collected5
Year Classadult
Photo
An empty applesnail shell held above dry land in a human hand.
A drainage canal that floods water into a retention pond where applesnails live seasonally during flood conditions.


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 [2/19/2025].

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