NAS - Nonindigenous Aquatic Species

NAS Alert System



Common Name

The 10 most recent alerts are available at RSS

total of 1461 alerts match your criteria. Click on the dipnet View Specimen details to get details about the collection.
  DateSpeciesNew Area
View Specimen details 8/25/2015 zebra mussel
Dreissena polymorpha
County: Baltimore (MD)
View Specimen details 8/21/2015 Chinese mysterysnail
Cipangopaludina chinensis
County: Plymouth (MA)
Drainage: Cape Cod (1090002)
View Specimen details 8/21/2015 giant applesnail
Pomacea maculata
County: Bay (FL)
Drainage: St. Andrew-St. Joseph Bays (3140101)
View Specimen details 8/17/2015 channeled applesnail
Pomacea canaliculata
County: Kern (CA)
Drainage: Middle Kern-Upper Tehachapi-Grapevine (18030003)
View Specimen details 8/14/2015 freshwater jellyfish
Craspedacusta sowerbyi
County: Spotsylvania (VA)
Drainage: Pamunkey (2080106)
View Specimen details 8/12/2015 freshwater jellyfish
Craspedacusta sowerbyi
Drainage: Middle Salmon-Chamberlain (17060207)
View Specimen details 8/11/2015 freshwater jellyfish
Craspedacusta sowerbyi
County: Warren (KY)
View Specimen details 8/10/2015 magnificent bryozoan
Pectinatella magnifica
Drainage: Siletz-Yaquina (17100204)
View Specimen details 8/7/2015 Chinese mysterysnail
Cipangopaludina chinensis
County: Kankakee (IL)
View Specimen details 8/6/2015 zebra mussel
Dreissena polymorpha
County: Meeker (MN)
View Specimen details 8/6/2015 red swamp crayfish
Procambarus clarkii
State: MI
County: Ottawa (MI)
Drainage: Black-Macatawa (4050002)
View Specimen details 8/5/2015 redtail catfish
Phractocephalus hemioliopterus
State: IA
County: Appanoose (IA)
Drainage: Upper Chariton (10280201)
View Specimen details 8/3/2015 Oriental Weatherfish
Misgurnus anguillicaudatus
Drainage: Lower Columbia-Clatskanie (17080003)
View Specimen details 8/3/2015 Brown Hoplo
Hoplosternum littorale
County: Pasco (FL)
View Specimen details 8/3/2015 Northern Snakehead
Channa argus
County: Harford (MD)
View Specimen details 7/30/2015 Brown Hoplo
Hoplosternum littorale
Drainage: Tampa Bay (3100206)
View Specimen details 7/29/2015 pirapatinga, red-bellied pacu
Piaractus brachypomus
Drainage: Lake Okeechobee (3090201)
View Specimen details 7/27/2015 Cuban Treefrog
Osteopilus septentrionalis
County: Nassau (FL)
Drainage: Nassau (3070205)
View Specimen details 7/26/2015 Snapping Turtle
Chelydra serpentina
County: Orange (CA)
Drainage: Seal Beach (18070201)
View Specimen details 7/22/2015 Asian clam
Corbicula fluminea
County: Snohomish (WA)
Drainage: Snohomish (17110011)
View Specimen details 7/22/2015 quagga mussel
Dreissena rostriformis
Drainage: Cheboygan (4070004)
View Specimen details 7/18/2015 Red-eared Slider
Trachemys scripta
County: Dakota (NE)
Drainage: Blackbird-Soldier (10230001)
View Specimen details 7/18/2015 Red-eared Slider
Trachemys scripta
County: Douglas (NE)
Drainage: Big Papillion-Mosquito (10230006)
View Specimen details 7/17/2015 Snapping Turtle
Chelydra serpentina
Drainage: Santa Clara (18070102)
View Specimen details 7/17/2015 zebra mussel
Dreissena polymorpha
Drainage: Clearwater-Elk (7010203)

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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. [2015]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [8/28/2015].

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