NAS Alert System

NASAlertSystem

FILTER ALERT RESULTS



The 10 most recent alerts are available at RSS

Total of 3705 alerts match your criteria. Click on each Specimen ID to get details about the collection.
Specimen IDDateSpeciesNew AreaAlert Risk Map Comments
1932828 6/1/2026 Golden Mussel
Limnoperna fortunei
State: CA
Drainage: Suisun Bay (18050001)
*Bonus* All golden mussel reports are being sent as alerts.
1932824 6/1/2026 Golden Mussel
Limnoperna fortunei
State: CA
Drainage: Middle San Joaquin-Lower Chowchilla (18040001)
*Bonus* All golden mussel reports are being sent as alerts.
1932825 6/1/2026 Golden Mussel
Limnoperna fortunei
State: CA
Drainage: Middle San Joaquin-Lower Chowchilla (18040001)
*Bonus* All golden mussel records are being sent as alerts.
1932823 5/21/2026 Golden Mussel
Limnoperna fortunei
State: CA
Drainage: Lower San Joaquin River (18040002)
*Bonus* All golden mussel reports are being sent as alerts.
1932821 5/21/2026 Golden Mussel
Limnoperna fortunei
Drainage: San Gabriel (18070106)
 
1932820 5/18/2026 sailfin armored catfish
Pterygoplichthys sp.
County: Bernalillo (NM)
Drainage: Rio Grande-Albuquerque (13020203)
 
1932814 5/14/2026 Golden Mussel
Limnoperna fortunei
State: CA
Drainage: Suisun Bay (18050001)
*Bonus* All golden mussel records are being sent as alerts.
1932812 5/14/2026 Golden Mussel
Limnoperna fortunei
State: CA
Drainage: Mojave (18090208)
*Bonus* All golden mussel records are being sent as alerts.
1932813 5/14/2026 Golden Mussel
Limnoperna fortunei
State: CA
Drainage: Santa Clara (18070102)
*Bonus* All golden mussel records are being sent as alerts.
1932810 5/13/2026 Regal Demoiselle
Neopomacentrus cyanomos
Country: CW
Drainage: ()
 
1932794 5/6/2026 Golden Mussel
Limnoperna fortunei
State: CA
Drainage: San Joaquin Delta (18040003)
*Bonus* All golden mussel reports are being sent as alerts.
1932795 5/6/2026 Golden Mussel
Limnoperna fortunei
State: CA
Drainage: San Joaquin Delta (18040003)
*Bonus* All golden mussel reports are being sent as alerts.
1932796 5/6/2026 Golden Mussel
Limnoperna fortunei
State: CA
Drainage: Santa Ana (18070203)
*Bonus* Sending all golden mussel reports as alerts.
1932705 5/6/2026 Golden Mussel
Limnoperna fortunei
State: CA
Drainage: Tulare Lake Bed (18030012)
*Bonus* All golden mussel reports are being sent as alerts.
1932799 5/6/2026 Golden Mussel
Limnoperna fortunei
State: CA
Drainage: Mojave (18090208)
*Bonus* All golden mussel reports are being sent as alerts.
1932694 4/7/2026 Red Swamp Crayfish
Procambarus clarkii
County: Jackson (MO)
Drainage: Lower Missouri-Crooked (10300101)
 
1924643 3/25/2026 Golden Mussel
Limnoperna fortunei
State: CA
Drainage: Santa Ana (18070203)
*Bonus* All Limnoperna fortunei (Golden Mussel) sightings are being sent as NAS Alerts
1924644 3/25/2026 Golden Mussel
Limnoperna fortunei
State: CA
Drainage: Santa Ana (18070203)
*Bonus* All Limnoperna fortunei (Golden Mussel) sightings are being sent as NAS Alerts
1924638 3/20/2026 brittle waternymph
Najas minor
County: Arkansas (AR)
Drainage: Lower Arkansas (08020401)
 
1924627 3/16/2026 Golden Mussel
Limnoperna fortunei
State: CA
Drainage: Santa Ana (18070203)
*Bonus* All Golden Mussel (Limnoperna fortunei) sightings are being reported as NAS Alerts
1924620 3/13/2026 Round Goby
Neogobius melanostomus
County: Alexander (IL)
Drainage: Upper Mississippi-Cape Girardeau (07140105)
 
1924606 3/11/2026 Black Carp
Mylopharyngodon piceus
State: OK
County: McCurtain (OK)
Drainage: Upper Little (11140107)
 
1897721 3/6/2026 Golden Mussel
Limnoperna fortunei
County: San Diego (CA)
Drainage: San Diego (18070304)
 
1897705 2/25/2026 sabretoothed blenny
Petroscirtes variabilis
Country: US
State: HI
County: Hawaii (HI)
Drainage: Hawaii (20010000)
 
1897637 2/6/2026 Golden Mussel
Limnoperna fortunei
State: CA
Drainage: Middle San Joaquin-Lower Chowchilla (18040001)
*Bonus* All Limnoperna fortunei (Golden Mussel) sightings are sent out as NAS Alerts
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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 [6/13/2026].

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.