Invasive species
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 Invasive species - Non-regulated animals

View a printable list of all species regulated by NR 40 [PDF] or a list of plants only [PDF].


Click on the buttons below to see what species are invasive in Wisconsin.

The buttons separate invasive plants and animals into regulated or non-regulated categories. Regulated species currently have legal restrictions under the Invasive Species Rule, Chapter NR 40. Non-regulated species currently are not regulated by Chapter NR 40. View our terminology page for classification definitions.

Plants Regulated Non-regulated
Animals Regulated Non-regulated


 Invasive species - Non-regulated animals

Classification Common name Scientific name Factsheet Photo
gallery		 Lit.
review		 SAG
form
Restricted Alewife Alosa pseudoharengus Click to view factsheet for this species.      
Restricted Arctic char (2) Salvelinus alpinus Click to view factsheet for this species.      
Prohibited Asian clam Corbicula fluminea Click to view factsheet for this species.   Click to view Lit. Review for this species.  
Prohibited Asian Gypsy moth Lymantria dispar (Asian race) Click to view factsheet for this species.   Click to view Lit. Review for this species. Click to view SAG Form for this species.
Caution Asian lady beetle Harmonia axyridis Click to view factsheet for this species.   Click to view Lit. Review for this species. Click to view SAG Form for this species.
Prohibited Asian longhorned beetle Anoplophora glabripennis Click to view factsheet for this species.   Click to view Lit. Review for this species. Click to view SAG Form for this species.
Restricted Atlantic salmon (2) Salmo salar Click to view factsheet for this species.      
Restricted Banded mystery snail Viviparus georgianus Click to view factsheet for this species.   Click to view Lit. Review for this species.  
Prohibited Bighead carp Hypophthalmichthys nobilis Click to view factsheet for this species.   Click to view Lit. Review for this species.  
Restricted Bitterling (3) Rhodeus spp. Click to view factsheet for this species.      
Prohibited Black carp Mylopharyngodon piceus Click to view factsheet for this species.   Click to view Lit. Review for this species.  
Prohibited Bloody shrimp Hemimysis anomala Click to view factsheet for this species. Click to view photo gallery for this species. Click to view Lit. Review for this species.  
Non-Restricted Blue stain fungus Grosmannia clavigera Click to view factsheet for this species.   Click to view Lit. Review for this species.  
Non-Restricted Blue stain fungus Ophiostoma montium Click to view factsheet for this species.   Click to view Lit. Review for this species.  
  Brown gardensnail Cornu aspersum        
Restricted Brown trout (2) Salmo trutta Click to view factsheet for this species.      
Caution Butternut canker pathogen Sirococcus clavigignenti-juglandacearum Click to view factsheet for this species.   Click to view Lit. Review for this species. Click to view SAG Form for this species.
Caution Cell from hell; phantom dinoflagellate Pfiesteria piscicida     Click to view Lit. Review for this species. Click to view SAG Form for this species.
  Cellar glass-snail Oxychilus cellarius        
Restricted Chinese hi-fin banded shark (3) Myxocyprinus asiaticus        
Prohibited Chinese mitten crabs Eriocheir sinensi Click to view factsheet for this species.   Click to view Lit. Review for this species.  
Restricted Chinese mystery snail Cipangopaludina chinensis Click to view factsheet for this species.   Click to view Lit. Review for this species.  
Restricted Chinook salmon (2) Oncorhynchus tshawytscha Click to view factsheet for this species.      
  Chocolate arion (slug) Arion rufus        
Restricted Coho salmon (2) Oncorhynchus kisutch Click to view factsheet for this species.      
Restricted Common carp Cyprinus carpio Click to view factsheet for this species.   Click to view Lit. Review for this species.  
Prohibited Crayfish - NON Native Click to view factsheet for this species.      
Prohibited Cylindro (cyanobacteria) Cylindrospermopsis raciborskii Click to view factsheet for this species.   Click to view Lit. Review for this species. Click to view SAG Form for this species.
  Dark-bodied glass-snail Oxychilus draparnaudi        
Prohibited Didymo or rock snot Didymosphenia geminata Click to view factsheet for this species. Click to view photo gallery for this species. Click to view Lit. Review for this species. Click to view SAG Form for this species.
  Dusky arion (slug) Arion subfuscus        
  Earthworms Acanthodrilidae, Lumbricidae, Megascloedidae spp.        
Restricted Eastern mosquitofish Gambusia holbrooki Click to view factsheet for this species.   Click to view Lit. Review for this species. Click to view SAG Form for this species.
Restricted Emerald ash borer Agrilus planipennis Click to view factsheet for this species.   Click to view Lit. Review for this species. Click to view SAG Form for this species.
  Escargot (snail) Helix pomatia        
Restricted European Gypsy moth Lymantria dispar Click to view factsheet for this species.   Click to view Lit. Review for this species. Click to view SAG Form for this species.
Restricted European valve snail Valvata piscinalis Click to view factsheet for this species.   Click to view Lit. Review for this species.  
Prohibited Faucet snail Bithynia tentaculata Click to view factsheet for this species.      
Prohibited Feral domestic swine Sus domestica Click to view factsheet for this species.   Click to view Lit. Review for this species. Click to view SAG Form for this species.
Prohibited Fishhook water flea Cercopagis pengoi Click to view factsheet for this species.   Click to view Lit. Review for this species.  
  Garden arion (slug) Arion hortensis        
  Giant gardenslug Limax maximus        
Prohibited Golden alga Prymnesium parvum Click to view factsheet for this species.   Click to view Lit. Review for this species. Click to view SAG Form for this species.
Prohibited Golden mussel Limnoperna fortunei Click to view factsheet for this species.      
Restricted Goldfish *(3) Carassius auratus Click to view factsheet for this species.      
Prohibited Grass carp Ctenopharyngodon idella Click to view factsheet for this species.   Click to view Lit. Review for this species. Click to view SAG Form for this species.
  Gray fieldslug Deroceras reticulatum        
Prohibited Hemlock woolly adelgid Adelges tsugae Click to view factsheet for this species.   Click to view Lit. Review for this species. Click to view SAG Form for this species.
Restricted Ide (3) Leuciscus idus Click to view factsheet for this species.   Click to view Lit. Review for this species.  
Restricted Japanese trapdoor snail or Japanese mystery snail Cipangopaludina japonica Click to view factsheet for this species.   Click to view Lit. Review for this species.  
Restricted Jumping worm Amynthas or Amynthus species Click to view factsheet for this species.   Click to view Lit. Review for this species. Click to view SAG Form for this species.
Prohibited Killer algae Caulerpa taxifolia Click to view factsheet for this species.   Click to view Lit. Review for this species. Click to view SAG Form for this species.
Prohibited Killer Shrimp Dikerogammarus villosus Click to view factsheet for this species.   Click to view Lit. Review for this species.  
Restricted Koi carp *(3) Cyprinus carpio Click to view factsheet for this species.      
Prohibited Malaysian trumpet snail Melanoides tuberculata Click to view factsheet for this species.   Click to view Lit. Review for this species.  
  Meadow slug Deroceras leave        
Prohibited Monk or Quaker parakeet or parrot Myiopsitta monachus Click to view factsheet for this species.   Click to view Lit. Review for this species. Click to view SAG Form for this species.
Prohibited Mountain Pine Beetle Dendroctonus ponderosae Click to view factsheet for this species. Click to view photo gallery for this species. Click to view Lit. Review for this species.  
Caution Mute swan Cygnus olor     Click to view Lit. Review for this species. Click to view SAG Form for this species.
Prohibited New Zealand mud snail Potamopyrgus antipodarum Click to view factsheet for this species.   Click to view Lit. Review for this species.  
Prohibited Novel cyanobacterial epiphyte of the order Stigonematales linked with avian vacuolar myelinopathy Stigonematales spp. Click to view factsheet for this species.   Click to view Lit. Review for this species. Click to view SAG Form for this species.
Prohibited Nutria Myocastor coypus Click to view factsheet for this species.   Click to view Lit. Review for this species.  
  Oak wilt Ceratocystis fagacearum Click to view factsheet for this species.      
  Orange-banded arion (slug) Arion fasciatus        
Restricted Pink salmon (2) Oncorhynchus gorbuscha Click to view factsheet for this species.      
Prohibited Quagga mussel Dreissena rostriformis Click to view factsheet for this species.   Click to view Lit. Review for this species.  
Restricted Rainbow smelt Osmerus mordax Click to view factsheet for this species.   Click to view Lit. Review for this species.  
Restricted Rainbow trout (2) Oncorhynchus mykiss Click to view factsheet for this species.      
Prohibited Red shiner Cyprinella lutrensis Click to view factsheet for this species.   Click to view Lit. Review for this species.  
Restricted Redear sunfish (2) Lepomis microlophus Click to view factsheet for this species.      
Non-Restricted Red-eared slider Trachemys scripta elegans     Click to view Lit. Review for this species. Click to view SAG Form for this species.
Restricted Round goby Neogobius melanostomus Click to view factsheet for this species.   Click to view Lit. Review for this species.  
Prohibited Rudd Scardinius erythrophthalmus Click to view factsheet for this species.   Click to view Lit. Review for this species.  
Restricted Ruffe Gymnocephalus cernuus Click to view factsheet for this species.   Click to view Lit. Review for this species.  
Prohibited Russian boar & other wild swine Sus scrofa Click to view factsheet for this species.   Click to view Lit. Review for this species. Click to view SAG Form for this species.
Non-Restricted Scale associated with beech bark disease Cryptococcus fagisuga Click to view factsheet for this species.   Click to view Lit. Review for this species. Click to view SAG Form for this species.
Restricted Sea lamprey Petromyzon marinus Click to view factsheet for this species.   Click to view Lit. Review for this species.  
Prohibited Silver carp Hypophthalmichthys molitrix Click to view factsheet for this species.   Click to view Lit. Review for this species.  
  Sirex wood wasp Sirex noctilio Click to view factsheet for this species.      
Prohibited Snakehead family Channidae Click to view factsheet for this species.   Click to view Lit. Review for this species.  
  Southern flatcoil (snail) Polygyracereolus cereolus        
Prohibited Spiny water flea Bythotrephes cederstroemi Click to view factsheet for this species.   Click to view Lit. Review for this species.  
Pending Spotted lanternfly Lycorma delicatula Click to view factsheet for this species.      
Pending Spotted lanternfly Lycorma delicatula Click to view factsheet for this species. Click to view photo gallery for this species.    
Prohibited Starry stonewort (alga) Nitellopsis obtusa Click to view factsheet for this species.   Click to view Lit. Review for this species. Click to view SAG Form for this species.
Restricted Sterlet (3) Acipenser ruthenus Click to view factsheet for this species.      
Caution Stone, beech marten Martes foina     Click to view Lit. Review for this species. Click to view SAG Form for this species.
Prohibited Sudden oak death pathogen Phytophthora ramorum Click to view factsheet for this species.   Click to view Lit. Review for this species. Click to view SAG Form for this species.
Prohibited Tench Tinca tinca Click to view factsheet for this species.   Click to view Lit. Review for this species.  
Prohibited Thousand cankers disease of walnut Geosmithia morbida Click to view factsheet for this species.   Click to view Lit. Review for this species.  
Restricted Three-spine stickleback Gasterosteus aculeatus Click to view factsheet for this species.   Click to view Lit. Review for this species.  
Restricted Tiger trout (2) Salvelinus fontinalis x Salmo trutta Click to view factsheet for this species.      
Restricted Tilapia Tilapia spp. Click to view factsheet for this species.      
Restricted Tubenose Goby Proterorhinus marmoratus Click to view factsheet for this species.   Click to view Lit. Review for this species.  
Prohibited Ulva species, including species previously known as Enteromorpha species Ulva (Enteromorpha) species Click to view factsheet for this species.   Click to view Lit. Review for this species. Click to view SAG Form for this species.
Prohibited Walnut twig beetle Pityophthorus juglandis Click to view factsheet for this species. Click to view photo gallery for this species. Click to view Lit. Review for this species.  
Prohibited Water flea Daphnia lumholtzi Click to view factsheet for this species.   Click to view Lit. Review for this species.  
Restricted Weather loach (3) Misgurnus anguillicaudatus Click to view factsheet for this species.      
Restricted Western mosquitofish Gambusia affinis Click to view factsheet for this species.   Click to view Lit. Review for this species. Click to view SAG Form for this species.
Restricted White perch Morone americana Click to view factsheet for this species.   Click to view Lit. Review for this species.  
Caution White pine blister rust Cronartium ribicola Click to view factsheet for this species.   Click to view Lit. Review for this species. Click to view SAG Form for this species.
Prohibited White-nose syndrome fungal pathogen Pseudogymnoascus destructans Click to view factsheet for this species.      
  Winter moth Operophtera brumata        
  Winter moth Operophtera brumata Click to view factsheet for this species.      
Caution Wolf/Dog hybrids Canis sp.        
  Yellow gardenslug Limax flavus        
Prohibited Zander Sander lucioperca Click to view factsheet for this species.   Click to view Lit. Review for this species.  
Restricted Zebra mussel Dreissena polymorpha Click to view factsheet for this species.   Click to view Lit. Review for this species.  

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Last revised: July 10, 2015

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