NAS Alert System



The 10 most recent alerts are available at RSS

Total of 2453 alerts match your criteria. Click on each Specimen ID to get details about the collection.
Specimen IDDateSpeciesNew AreaAlert Risk Map Comments
1548406 7/15/2019 zebra mussel
Dreissena polymorpha
County: Buffalo (SD)
Drainage: Fort Randall Reservoir (10140101)
1548405 7/15/2019 a freshwater jellyfish
Craspedacusta sowerbyi
County: Story (IA)
Drainage: South Skunk (07080105)
1548331 7/9/2019 magnificent bryozoan
Pectinatella magnifica
County: Sutter (CA)
Drainage: Honcut Headwaters-Lower Feather (18020159)
1548329 7/8/2019 Black Carp (diploid)
Mylopharyngodon piceus
County: Henderson (KY)
1548323 7/5/2019 Northern Snakehead
Channa argus
County: Coahoma (MS)
1548312 7/2/2019 European frogbit
Hydrocharis morsus-ranae
County: Lorain (OH)
Drainage: Black-Rocky (04110001)
1548305 7/1/2019 Yellow-bellied Slider
Trachemys scripta
County: Albany (NY)
Drainage: Middle Hudson (02020006)
1548301 7/1/2019 Asian clam
Corbicula fluminea
County: Yellowstone (MT)
Drainage: Upper Yellowstone-Pompeys Pillar (10070007)
1547946 6/27/2019 Pond Slider
Trachemys scripta
County: Kauai (HI)
Drainage: Kauai (20070000)
1547873 6/26/2019 zebra mussel
Dreissena polymorpha
County: Hancock (IA)
Drainage: Upper Iowa (07080207)
1547865 6/24/2019 Goldfish
Carassius auratus
County: Anchorage (AK)
Drainage: Anchorage (19020401)
1547703 6/21/2019 Grass Carp
Ctenopharyngodon idella
County: Erie (PA)
1547614 6/21/2019 American alligator
Alligator mississippiensis
County: Dutchess (NY)
1547596 6/20/2019 Koi
Cyprinus rubrofuscus
State: KY
County: Boyle (KY)
1547579 6/17/2019 zebra mussel
Dreissena polymorpha
County: Barnes (ND)
Drainage: Middle Sheyenne (09020203)
1547571 6/14/2019 redtail catfish
Phractocephalus hemioliopterus
County: Lawrence (IN)
Drainage: Lower East Fork White (05120208)
1547059 6/13/2019 American alligator
Alligator mississippiensis
Drainage: Lower Monongahela (05020005)
1547058 6/13/2019 American alligator
Alligator mississippiensis
Drainage: Upper Ohio (05030101)
1546945 6/11/2019 Southern Platyfish
Xiphophorus maculatus
County: Martin (FL)
1546958 6/11/2019 cuchia
Monopterus cuchia
State: NY
County: Livingston (NY)
Drainage: Lower Genesee (04130003)
1546839 6/10/2019 Chinese mysterysnail
Cipangopaludina chinensis
County: Salem (NJ)
Drainage: Cohansey-Maurice (02040206)
1546834 6/7/2019 Black Carp
Mylopharyngodon piceus
County: Union (KY)
Drainage: Highland-Pigeon (05140202)
1546826 6/6/2019 Freshwater Tubenose Goby
Proterorhinus semilunaris
County: Cheboygan (MI)
Drainage: Cheboygan (04070004)
1546819 6/4/2019 New Zealand mudsnail
Potamopyrgus antipodarum
State: NM
County: San Juan (NM)
Drainage: Upper San Juan (14080101)
1546816 6/3/2019 Chinese mysterysnail
Cipangopaludina chinensis
County: Monroe (IN)
Drainage: Lower White (05120202)


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. [2019]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [7/15/2019].

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 queries involving fish, please contact Matthew Neilson. For queries involving invertebrates, contact Amy Benson.