| Specimen ID | Date | Species | New Area | Alert Risk Map | Comments |
|
1886784
|
11/18/2025
|
Northern Snakehead
Channa argus
|
County: Wayne (PA)
Drainage: Lackawaxen (02040103)
|
| |
|
242795
|
11/17/2025
|
Large scale loach
Paramisgurnus dabryanus
|
State: MD
|
| *Bonus* Originally identified as Pond Loach (Misgurnus anguillicaudatus), but was reidentified in 2025 by NCSM staff |
|
1886766
|
11/17/2025
|
Black Carp
Mylopharyngodon piceus
|
County: Hempstead (AR)
Drainage: Lower Little Arkansas, Oklahoma (11140109)
|
| |
|
1886764
|
11/17/2025
|
New Zealand mudsnail
Potamopyrgus antipodarum
|
Drainage: Roaring Fork (14010004)
|
| |
|
1886705
|
11/14/2025
|
Red Swamp Crayfish
Procambarus clarkii
|
County: Lycoming (PA)
Drainage: Lower West Branch Susquehanna (02050206)
|
| |
|
1886712
|
11/14/2025
|
banded mysterysnail
Callinina georgiana
|
County: Franklin (VT)
Drainage: Lake Champlain (04300108)
|
| |
|
1886759
|
11/14/2025
|
freshwater jellyfish
Craspedacusta sowerbii
|
County: Jasper (GA)
Drainage: Upper Oconee (03070101)
|
| |
|
1886716
|
11/14/2025
|
New Zealand mudsnail
Potamopyrgus antipodarum
|
Drainage: Tonto (15060105)
|
| |
|
1886703
|
11/13/2025
|
Rusty Crayfish
Faxonius rusticus
|
County: Fillmore (MN)
Drainage: Root (07040008)
|
| |
|
1886695
|
11/13/2025
|
alligatorweed
Alternanthera philoxeroides
|
County: Washington (VA)
Drainage: North Fork Holston (06010101)
|
| |
|
1886699
|
11/13/2025
|
zebra mussel
Dreissena polymorpha
|
Drainage: Lower Gunnison (14020005)
|
| |
|
1886690
|
10/1/2025
|
Brazilian waterweed
Egeria densa
|
County: Beaver (PA)
Drainage: Upper Ohio (05030101)
|
| |
|
1886673
|
9/29/2025
|
zebra mussel
Dreissena polymorpha
|
County: Burke (ND)
Drainage: Lake Sakakawea (10110101)
|
| |
|
1886610
|
9/25/2025
|
emperor angelfish
Pomacanthus imperator
|
County: Palm Beach (FL)
Drainage: Florida Southeast Coast (03090206)
|
| |
|
1886609
|
9/24/2025
|
Asian Swamp Eel
Monopterus albus
|
County: Charlotte (FL)
Drainage: Charlotte Harbor (03100103)
|
| |
|
1886607
|
9/23/2025
|
freshwater jellyfish
Craspedacusta sowerbii
|
Drainage: Elm Fork Trinity (12030103)
|
| |
|
1886560
|
9/23/2025
|
zebra mussel
Dreissena polymorpha
|
County: Jones (TX)
Drainage: Upper Clear Fork Brazos (12060102)
|
| |
|
1886561
|
9/23/2025
|
spiny waterflea
Bythotrephes longimanus
|
County: Grafton (NH)
Drainage: Pemigewasset River (01070001)
|
| |
|
1886556
|
9/22/2025
|
giant applesnail
Pomacea maculata
|
Drainage: Mermentau Headwaters (08080201)
|
| |
|
1886552
|
9/22/2025
|
freshwater jellyfish
Craspedacusta sowerbii
|
County: DuPage (IL)
Drainage: Des Plaines (07120004)
|
| |
|
1886555
|
9/22/2025
|
Chinese mysterysnail
Cipangopaludina chinensis
|
County: Van Zandt (TX)
Drainage: Cedar (12030107)
|
| |
|
1886551
|
9/22/2025
|
American alligator
Alligator mississippiensis
|
State: DC
County: District of Columbia (DC)
Drainage: Middle Potomac-Anacostia-Occoquan (02070010)
|
| |
|
1886536
|
9/22/2025
|
Golden Mussel
Limnoperna fortunei
|
State: CA
|
| *Bonus* All sightings of golden mussels are being reported as alerts. |
|
1886559
|
9/22/2025
|
European frogbit
Hydrocharis morsus-ranae
|
County: Washington (VT)
Drainage: Winooski River (04300103)
|
| |
|
1886538
|
9/22/2025
|
Golden Mussel
Limnoperna fortunei
|
County: Solano (CA)
Drainage: Lower Sacramento (18020163)
|
| |
|
