NAS - Nonindigenous Aquatic Species

NAS Alert System



Common Name

The 10 most recent alerts are available at RSS

total of 1251 alerts match your criteria. Click on the dipnet View Specimen details to get details about the collection.
  DateSpeciesNew Area
View Specimen details 4/3/2014 Chinese mysterysnail
Cipangopaludina chinensis
County: Clackamas (OR)
View Specimen details 4/1/2014 Grass Carp
Ctenopharyngodon idella
County: Luzerne (PA)
Drainage: Upper Susquehanna-Tunkhannock (2050106)
*Bonus* View Specimen details 3/28/2014
Horabagrus brachysoma
State: PR
View Specimen details 3/25/2014 ParanĂ¡ Sailfin Catfish
Pterygoplichthys anisitsi
County: Cameron (TX)
*Bonus* View Specimen details 3/17/2014 quagga mussel
Dreissena rostriformis bugensis
State: CA
County: Ventura (CA)
View Specimen details 3/14/2014 red-rim melania
Melanoides tuberculata
Drainage: Lake Mead (15010005)
View Specimen details 3/13/2014 Black Carp
Mylopharyngodon piceus
County: New Madrid (MO)
View Specimen details 2/27/2014 Grass Carp
Ctenopharyngodon idella
Drainage: Bear-Wyaconda (7110001)
View Specimen details 2/26/2014 Walking Catfish
Clarias batrachus
County: Sumter (FL)
Drainage: Withlacoochee (3100208)
View Specimen details 2/19/2014 Silver Redhorse
Moxostoma anisurum
Country: US
State: VA
County: Pulaski (VA)
Drainage: Upper New (5050001)
View Specimen details 2/12/2014 New Zealand mudsnail
Potamopyrgus antipodarum
Drainage: Upper Columbia-Priest Rapids (17020016)
View Specimen details 2/7/2014 White Catfish
Ameiurus catus
County: Ashe (NC)
Drainage: Upper New (5050001)
View Specimen details 2/6/2014 Margined Madtom
Noturus insignis
County: Alleghany (NC)
Drainage: Upper New (5050001)
View Specimen details 2/6/2014 Nile Tilapia
Oreochromis niloticus
State: OH
County: Scioto (OH)
Drainage: Little Scioto-Tygarts (5090103)
*Bonus* View Specimen details 2/5/2014 Black Carp
Mylopharyngodon piceus
State: IL
View Specimen details 1/13/2014 Grass Carp
Ctenopharyngodon idella
County: Warren (PA)
Drainage: Upper Allegheny (5010001)
View Specimen details 1/13/2014 quagga mussel
Dreissena rostriformis
County: Ventura (CA)
Drainage: Santa Clara (18070102)
View Specimen details 12/30/2013 African Clawed Frog
Xenopus laevis
Drainage: Tampa Bay (3100206)
View Specimen details 12/20/2013 Cuban Treefrog
Osteopilus septentrionalis
County: Wilkinson (GA)
Drainage: Lower Oconee (3070102)
View Specimen details 12/18/2013 Nile Tilapia
Oreochromis niloticus
State: TN
County: Sumner (TN)
Drainage: Lower Cumberland-Old Hickory Lake (5130201)
View Specimen details 12/16/2013 Blueback Herring
Alosa aestivalis
County: Monroe (TN)
Drainage: Lower Little Tennessee (6010204)
View Specimen details 12/12/2013 waterflea
Daphnia lumholtzi
County: Larimer (CO)
Drainage: Cache La Poudre (10190007)
View Specimen details 12/12/2013 waterflea
Daphnia lumholtzi
County: Douglas (CO)
Drainage: Upper South Platte (10190002)
View Specimen details 12/12/2013 waterflea
Daphnia lumholtzi
County: Bent (CO)
Drainage: Upper Arkansas-John Martin Reservoir (11020009)
View Specimen details 12/12/2013 Clown Knifefish
Chitala ornata
State: VT
County: Washington (VT)
Drainage: Winooski River (4150403)

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Page Contact Information: Pam Fuller - NAS Program (
Page Last Modified: Thursday, August 09, 2012


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. [2014]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [4/21/2014].

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