National Institute for Environmental Studies, Japan NIES Invasive Species of Japan Japanese | English
  1. Invasive Species of Japan Home >
  2. Mammals Alert List
Potential invasive species list for Japan.
Mammals Alert List Go to Established species list

Mammals | Birds | Reptiles | Amphibians | Fishes | Insects | Invertebrates (except insects) | Plants | Miscellaneous
[Photo]: With picture
Higher Taxa Scientific Name
[Common name]
Legal control in Japan Potential impact
Cervidae, Artiodactyla, Mammalia Axis spp.
  [Axis deer]
Yes Potentially: Competition, hybridization against native deer. destruction ...
Cervidae, Artiodactyla, Mammalia Cervus nippon subspp.
  [Sika(またはJapanese) Deer]
Yes Harmful to agriculture, forestry. Destruction of landscape. Native organ ...
Cervidae, Artiodactyla, Mammalia Dama spp.
  [Fallow deer]
Yes Potentially: Competition with native deer and damage on agriculture. On ...
Cervidae, Artiodactyla, Mammalia Elaphurus davidianus
  [Pere David's deer]
Yes Potentially: Hybridization with deer of genus Cervus.
Phalangeridae, Diprotodontia, Mammalia Trichosurus vulpecula
  [Brushtail possum]
Yes Predation on small animals (birds and eggs, insects, etc.) and plants. C ...
Procyonidae, Carnivora, Mammalia Procyon cancrivorus
  [Crab-eating raccoon]
Yes This species could give rise to similar impact to common racoon (P. loto ...
Mustelidae, Carnivora, Mammalia Mustela furo
Yes Potentially: predation on native small animals. In New Zealand, native b ...
Herpestidae, Carnivora, Mammalia Herpestes javanicus
  [Javan mongoose]
Yes Like Small Indian mongoose, predation on various small terrestrial anima ...
Herpestidae, Carnivora, Mammalia Mungos mungo
  [Banded Mongoose]
Yes If introduced, this species will eat small wilde animals (e.g. ground in ...
Sciuridae, Rodentia, Mammalia Pteromys volans
  [Eurasian small flying squirrel]
Yes Competition, hybridization against native species. Native organism(s) af ...
Sciuridae, Rodentia, Mammalia Sciurus carolinensis
  [Grey squirrel]
Yes Predation, competition, transmit squirrel poxvirus against native specie ...
Higher Taxa Scientific name [Common Name] Legal control in Japan Potential impact

Mammals | Birds | Reptiles | Amphibians | Fishes | Insects | Invertebrates (except insects) | Plants | Miscellaneous