NAS Alert System



The 10 most recent alerts are available at RSS

Total of 2618 alerts match your criteria. Click on each Specimen ID to get details about the collection.
Specimen IDDateSpeciesNew AreaAlert Risk Map Comments
1633929 1/14/2020 pirapatinga, red-bellied pacu
Piaractus brachypomus
State: DE
County: New Castle (DE)
Drainage: Brandywine-Christina (02040205)
1633915 1/10/2020 Black Carp
Mylopharyngodon piceus
County: Jackson (IL)
1633913 1/9/2020 giant salvinia
Salvinia molesta
County: Columbia (AR)
1633910 1/8/2020 Cuban bulrush
Cyperus blepharoleptos
County: Decatur (GA)
Drainage: Spring (03130010)
1633898 1/7/2020 Indo-Pacific swimming crab
Charybdis hellerii
Drainage: Bulls Bay (03050209)
1633884 1/6/2020 mysterysnail
Cipangopaludina sp.
County: Kings (NY)
Drainage: Southern Long Island (02030202)
1633852 12/20/2019 purple loosestrife
Lythrum salicaria
State: LA
County: Plaquemines (LA)
Drainage: Lower Mississippi-New Orleans (08090100)
1633851 12/20/2019 Silver Carp
Hypophthalmichthys molitrix
County: Nobles (MN)
1633845 12/19/2019 giant applesnail
Pomacea maculata
Drainage: Bayou Sara-Thompson (08070201)
1633842 12/19/2019 magnificent bryozoan
Pectinatella magnifica
Drainage: Upper Cowlitz (17080004)
1633844 12/19/2019 Blue Tilapia
Oreochromis aureus
State: LA
County: East Baton Rouge (LA)
Drainage: Amite (08070202)
1633839 12/18/2019 an applesnail
Pomacea cf. canaliculata/maculata
County: Galveston (TX)
1633840 12/18/2019 water lettuce
Pistia stratiotes
County: Montgomery (TX)
Drainage: Spring (12040102)
1633835 12/17/2019 Virile Crayfish, Northern Crayfish
Faxonius virilis
County: Bonner (ID)
Drainage: Pend Oreille Lake (17010214)
1633838 12/17/2019 Red Swamp Crayfish
Procambarus clarkii
County: Fulton (GA)
Drainage: Upper Chattahoochee (03130001)
1633821 12/13/2019 Brazilian waterweed
Egeria densa
County: Hunterdon (NJ)
1633795 12/11/2019 Brazilian waterweed
Egeria densa
Drainage: Middle Delaware-Musconetcong (02040105)
1633794 12/11/2019 graceful cattail
Typha laxmannii
State: NY
County: Dutchess (NY)
Drainage: Hudson-Wappinger (02020008)
1633783 12/9/2019 banded mysterysnail
Viviparus georgianus
County: Berkshire (MA)
Drainage: Westfield (01080206)
1633771 12/5/2019 spiny waternymph
Najas marina
State: MT
County: Missoula (MT)
Drainage: Middle Clark Fork (17010204)
1633688 12/4/2019 yellow floating-heart
Nymphoides peltata
County: Franklin (OH)
1633698 12/4/2019 parrot feather
Myriophyllum aquaticum
County: Lake (OH)
Drainage: Ashtabula-Chagrin (04110003)
1633663 12/4/2019 sacred lotus
Nelumbo nucifera
County: Butler (OH)
Drainage: Lower Great Miami (05080002)
1633662 12/4/2019 flowering rush
Butomus umbellatus
County: Hamilton (OH)
Drainage: Little Miami (05090202)
1633694 12/4/2019 water lettuce
Pistia stratiotes
County: Hamilton (OH)
Drainage: Lower Great Miami (05080002)


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. [2020]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [1/22/2020].

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.