Invasive Species: Animals

Below is a species list for invasive animals in Wisconsin. You may view the available factsheets, maps, and photo galleries by clicking the corresponding icon.

You may sort the table by common, scientific name, or classification by clicking the table heading. For classification definitions, view the key.

Classification	Common Name	Scientific Name	Factsheet	Map	Photo Gallery
P	(no common name)	Ulva (Enteromorpha) spp.
R	Arctic char (2)	Salvelinus alpinus
P	Asian clam	Corbicula fluminea
P	Asian Gypsy moth	Lymantria dispar (Asian race)
	Asian lady beetle	Harmonia axyridis
P	Asian longhorned beetle	Anoplophora glabripennis
R	Atlantic salmon (2)	Salmo salar
P	Bighead carp	Hypophthalmichthys nobilis
R	Bitterling (3)	Rhodeus spp.
P	Black carp	Mylopharyngodon piceus
P	Bloody shrimp	Hemimysis anomala
	Brown gardensnail	Cornu aspersum
R	Brown trout (2)	Salmo trutta
	Butternut canker pathogen	Sirococcus clavigignenti-juglandacearum
	Cell from hell; phantom dinoflagellate	Pfiesteria piscicida
	Cellar glass-snail	Oxychilus cellarius
R	Chinese hi-fin banded shark (3)	Myxocyprinus asiaticus
P	Chinese mitten crabs	Eriocheir sinensi
R	Chinese mystery snail	Cipangopaludina chinensis
R	Chinook salmon (2)	Oncorhynchus tshawytscha
	Chocolate arion (slug)	Arion rufus
R	Coho salmon (2)	Oncorhynchus kisutch
R	Common carp	Cyprinus carpio
P	Crazy worm	Amynthas spp., Amynthus spp.
P	Cylindro (cyanobacteria)	Cylindrospermopsis raciborskii
	Dark-bodied glass-snail	Oxychilus draparnaudi
P	Didymo or rock snot	Didymoshpenia geminata
	Dusky arion (slug)	Arion subfuscus
	Earthworms	Acanthodrilidae, Lumbricidae, Megascloedidae spp.
P	Eastern mosquitofish	Gambusia holbrooki
P	Emerald ash borer	Agrilus planipennis
	English sparrow, house sparrow	Fringilla domestica
	Escargot (snail)	Helix pomatia
	Eurasian collared dove	Streptopelia decaocto
	Eurasian tree sparrow	Passer montanus
	European goldfinch	Carduelis carduelis
	European starling	Sturnus vulgaris
P	Faucet snail	Bithynia tentaculata
P	Feral domestic swine	Sus domestica
P	Fishhook waterflea	Cercopagis pengoi
	Forest tent caterpillar	Malacosoma disstria
	Garden arion (slug)	Arion hortensis
	Giant gardenslug	Limax maximus
P	Giant snakehead	Channa micropeltes
P	Golden alga	Prymneisum parvum
R	Goldfish *(3)	Carassius auratus
P	Grass carp	Ctenopharyngodon idella
	Gray fieldslug	Deroceras reticulatum
	Gray partridge	Perdix perdix
	Great tit	Parus major
R	Gypsy moth	Lymantria dispar
P	Hemlock wooly adelgid	Adelges tsugae
	House finch	Carpodacus mexicanus
	House mouse	Mus musculus
R	Ide (3)	Leuciscus idus
	Japanese mystery snail	Cipangopaludina japonica
	Killer algae	Caulerpa taxifolia
R	Koi carp *(3)	Cyprinus carpio
	Meadow slug	Deroceras leave
P	Monk, Quaker parakeet or parrot	Myiopsitta monachus
	Mute swan	Cygnus olor
P	New Zealand mudsnail	Potamopyrgus antipodarum
	Norway rat	Rattus norvegicus
P	Novel cyanobacterial epiphyte of order Stigonematales	Stigonematales spp.
	Oak wilt	Ceratocystis fagacearum
	Orange-banded arion (slug)	Arion Fasciatus
	Pigeon, rock dove	Columba livia
R	Pink salmon (2)	Oncorhynchus gorbuscha
P	Quagga mussels	Dreissena bugensis
R	Rainbow smelt	Osmerus mordax
R	Rainbow trout (2)	Oncorhynchus mykiss
P	Red shiner	Cyprinella lutrensis
P	Red swamp crayfish	Procambarus clarkii
R	Redear sunfish (2)	Lepomis microlophus
R	Red-eared slider with a carapace (top shell) length of less than 4 inches	Trachemys scripta elegans
	Ring-necked pheasant	Phasianus colchicus
R	Round goby	Neogobius melanostomus
P	Rudd	Scardinius erythrophthalmus
R	Ruffe	Gymnocephalus cernuus
P	Russian boar & other wild swine	Sus scrofa
R	Rusty crayfish	Orconectes rusticus
P	Scale associated with beech bark disease	Cryptococcus fagisuga
R	Sea lamprey	Petromyzon marinus
P	Silver carp	Hypophthalmichthys molitrix
	Sirex wood wasp	Sirex noctilio
P	Snakehead family	Synbranchidea
	Southern flatcoil (snail)	Polygyracereolus cereolus
P	Spiny waterflea	Bythotrephes cederstroemi
P	Starry stonewort (alga)	Nitellopsis obtusa
R	Sterlet (3)	Acipenser ruthenus
	Stone, beech marten	Martes foina
P	Sudden oak death pathogen	Phytophthora ramorum
P	Tench	Tinca tinca
R	Three-spine stickleback	Gasterosteus aculeatus
R	Tiger trout (2)	Salvelinus fontinalis x Salmo trutta
R	Tilapia	Tilapia spp.
R	Tubenose Goby	Proterorhinus marmoratus
P	Water flea	Daphnia lumholtzi
R	Weather loach (3)	Misgurnus anguillicaudatus
P	Western mosquitofish	Gambusia affinis
R	White perch	Morone americana
	White pine blister rust	Cronartium ribicola
	White tailed jack rabbit	Lepus townsendii
	Winter moth	Operophtera brumata
	Wolf/Dog hybrids	Canis sp.
	Yellow gardenslug	Limax flavus
P	Zander	Sander lucioperca
R	Zebra mussel	Dreissena polymorpha