# List of invasive species in Japan

Invasive species include those introduced from overseas, such as the red-eared slider, as well as plants or animals introduced outside their native range within Japan (Siberian chipmunk, etc.). This is a non-exhaustive list, largely based on data from the National Institute of Environmental Studies.

## Animal species
### Mammals

* Bos taurus (cattle) - Problematic in Tokara Islands
* Callosciurus erythraeus (Pallas's squirrel) - Invasive in various areas in Japan.
* Callosciurus finlaysonii (Finlayson's squirrel) - Invasive in Shizuoka prefecture.
* Canis familiaris (dog)
* Capra aegagrus (feral goat)
* Erinaceus amurensis (Amur hedgehog)
* Eutamias sibiricus (Siberian chipmunk) - Native to Hokkaido, invasive in Honshu.
* Felis catus (feral cat)
* Macaca cyclopis (Formosan rock macaque)
* Macaca mulatta (rhesus macaque)
* Martes melampus (Japanese marten) Honshu native, invasive in Hokkaido and Sado Island
* Muntiacus reevesi (Reeves's muntjac)
* Mus musculus (house mouse) - Nationwide.
* Mustela itatsi (Japanese weasel) Honshu native, invasive in Hokkaido
* Mustela sibirica (Siberian weasel)
* Myocastor coypus (coypu, nutria) - Western Japan.
* Neogale vison (American mink)
* Nyctereutes procyonoides (raccoon dog)
* Ondatra zibethicus (muskrat) - Tokyo, Chiba and Saitama.
* Oryctolagus cuniculus (European rabbit)
* Paguma larvata (masked palm civet)
* Procyon lotor (raccoon)
* Rattus norvegicus (brown rat) - Invasive on outlying islands.
* Rattus rattus (black rat) - Invasive in almost all of Japan.
* Sus scrofa (wild boar) on Ototojima and Okinoerabu islands
* Urva auropunctata (small Indian mongoose) - Okinawa and Kagoshima.

### Reptiles

* Anolis carolinensis (Carolina anole)
* Chelydra serpentina (common snapping turtle)
* Cuora flavomarginata (Chinese box turtle)
* Gekko hokouensis (Hokou gecko) native to outlying islands, invasive on mainland
* Hemidactylus frenatus (common house gecko)
* Lepidodactylus lugubris (mourning gecko)
* Orthriophis taeniurus (beauty rat snake)
* Pelodiscus sinensis (Chinese softshell turtle)
* Trachemys scripta elegans (red-eared slider)
* Protobothrops elegans (elegant pitviper)
* Protobothrops mucrosquamatus (brown spotted pit viper)
* Diploderma swinhonis (tree lizard)

### Birds

* Columba livia (feral pigeon)
* Leiothrix lutea (red-billed leiothrix)
* Pavo cristatus (Indian peafowl)
* Phasianus colchicus (common pheasant)
* Pycnonotus sinensis (light-vented bulbul)

### Fish

* Acheilognathus cyanostigma (striped bitterling)
* Acheilognathus macropterus
* Acheilognathus rhombeus (kanehira)
* Acheilognathus typus (zenitanago)
* Channa argus (northern snakehead)
* Clarias batrachus (walking catfish)
* Ctenopharyngodon idella (grass carp)
* Cyprinus carpio (common carp)
* Gambusia affinis (mosquitofish)
* Gambusia holbrooki (eastern mosquitofish)
* Ictalurus punctatus (channel catfish)
* Lepomis macrochirus (bluegill)
* Micropterus dolomieu (smallmouth bass)
* Micropterus salmoides (largemouth bass)
* Monopterus albus (Asian swamp eel)
* Oncorhynchus mykiss (rainbow trout)
* Rhodeus ocellatus (rosy bitterling)
* Salmo trutta (brown trout)
* Silurus asotus (Amur catfish)
* Tridentiger brevispinis (numachichibu)

### Invertebrates

* Aculops lycopersici (tomato russet mite)
* Agriosphodrus dohrni
* Ambigolimax valentianus (threeband gardenslug)
* Amphibalanus amphitrite (striped barnacle)
* Amphibalanus improvisus (bay barnacle)
* Anoplolepis gracilipes (yellow crazy ant)
* Aromia bungii (red-necked longhorn)
* Bemisia tabaci (silverleaf whitefly)
* Blattella germanica (German cockroach)
* Bombus terrestris (buff-tailed bumblebee)
* Bugula neritina (brown bryozoan)
* Bursaphelenchus xylophilus (pine wood nematode)
* Cavelerius saccharivorus (oriental chinch bug)
* Chamberlinius hualinensis
* Coptotermes formosanus (Formosan subterranean termite)
* Corbicula fluminea (Asian clam)
* Corythucha ciliata (sycamore lace bug)
* Crangonyx floridanus (Florida crangonyctid)
* Crepidula fornicata (common slipper shell)
* Crepidula onyx (onyx slippersnail)
* Cylas formicarius (sweet potato weevil)
* Delta pyriforme
* Drosophila suzukii (spotted wing drosophila)
* Dryocosmus kuriphilus (chestnut gall wasp)
* Epilachna varivestis (Mexican bean beetle)
* Euglandina rosea (rosy wolfsnail)
* Euscepes postfasciatus (West Indian sweetpotato weevil)
* Frankliniella occidentalis (western flower thrips)
* Globodera rostochiensis (golden nematode)
* Hydroides elegans
* Hylurgus ligniperda (red-haired pine bark beetle)
* Hypera postica (alfalfa weevil)
* Hyphantria cunea (fall webworm)
* Icerya purchasi (cottony cushion scale)
* Latrodectus geometricus (brown widow)
* Latrodectus hasseltii (redback spider)
* Limnoperna fortunei (golden mussel)
* Linepithema humile (Argentine ant)
* Liriomyza sativae (vegetable leaf miner)
* Liriomyza trifolii (serpentine leafminer)
* Lissachatina fulica (giant African snail)
* Lissorhoptrus oryzophilus (rice water weevil)
* Monomorium pharaonis (pharaoh ant)
* Mytilus galloprovincialis (Mediterranean mussel)
* Nassarius sinarus (Nassarius snail)
* Nealsomyia rufella
* Opisthoplatia orientalis
* Pacifastacus leniusculus (signal crayfish)
* Paraglenea fortunei
* Parasa lepida (nettle caterpillar)
* Perna viridis (Asian green mussel)
* Pheidole megacephala (big-headed ant)
* Platydemus manokwari (New Guinea flatworm)
* Polyandrocarpa zorritensis
* Pomacea canaliculata (apple snail)
* Potamopyrgus antipodarum (New Zealand mud snail)
* Procambarus clarkii (red swamp crawfish)
* Pyromaia tuberculata (tuberculate pear crab)
* Quadrastichus erythrinae (Erythrina gall wasp)
* Rhabdoscelus obscurus (sugarcane weevil borer)
* Rhynchophorus ferrugineus (red palm weevil)
* Solenopsis geminata (fire ant)
* Thrips palmi (melon thrips)
* Trialeurodes vaporariorum (glasshouse whitefly)
* Unaspis yanonensis (arrowhead snow scale)
* Vespa velutina (Asian predatory wasp)
* Xyleborus volvulus
* Xenostrobus securis (small brown mussel)

## Plant species

* Desmodium paniculatum