Specimen Information

Melanoides tuberculata
Melanoides tuberculata
(red-rim melania)
Mollusks-Gastropods
Exotic

Specimen ID1897453
GroupMollusks-Gastropods
GenusMelanoides
Speciestuberculata
Common Namered-rim melania
StateCA
CountyVentura
LocalityMugu Lagoon
Mapping AccuracyAccurate
HUC8 NameCalleguas
HUC8 Number18070103
HUC10 NameMcGrath Lake-Frontal Pacific Ocean
HUC10 Number1807010302
HUC12 NameMugu Lagoon
HUC12 Number180701030201
Map
Collection Day15
Collection Month10
Collection Year2024
Year AccuracyActual
Potential Pathwaydispersed | released
CommentsMany more than the few hundred I listed above. Could not determine which percentage were living vs deceased.
Record TypeNAS sighting report
VerifierWendy L Willis (Aquatic Bioassay & Consulting Laboratories)
Freshwater/MarineFreshwater
Number Collected300
Photo
Melanoides tuberculata
Melanoides tuberculata


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. [2026]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [2/3/2026].

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.