Erinaceus spp.

Basic information
Scientific name	Erinaceus spp.	Click to magnify
Common names	Hedgehogs of Genus Erinaceus
Higher taxon	Erinaceidae, Erinaceomorpha, Mammalia
Natural range	W Europe, Azores (E. europaeus, Mid East (E. concolor), E Europe (E. roumanicus), E Asia - NE Asia (E. amurensis).
Habitat	Crop field, edge of forest, some kind of farm area, forest, grassland, rice field, swamp.

Invasion information
Range in Japan	Established: Shizuoka and Kanagawa Prefs. Recorded: Iwate, Nagano, Toyama, and Tochigi Prefs.
Origin	Unknown.
Date
Route	Deliberate introduction (as pet).
Impact	Predation on native species. Native organism(s) affected: Terrestrial small animals. Eggs of Birds.
Regulation in Japan	Import, transport and keeping are legally restricted in Japan.
Introduced range in other countries	Erinaceus europaeus introduced to New Zealand.

Reference

Notes

DECO (ed) (2006) Dictionary of Alien Species. Tokyo-Shoseki, Tokyo. (in Jpn)
JWRC (ed) (2008) A Photographic Guide to the Invasive Alien Species in Japan. Heibonsha, Tokyo. (in Jpn)
Long (2003) Introduced mammals of the world: their history, distribution, and influence. CABI Publishing.
Ministry of the Environment, Japan. The Invasive Alien Species Act (Accessed on 2012-5-26) http://www.env.go.jp/en/nature/as.html
Wilson & Reeder (eds.) (2005) Mammal Species of the World. A Taxonomic and Geographic Reference (3rd ed), Johns Hopkins University Press, 2,142 pp. (http://www.press.jhu.edu).
Abe (ed) (2008) A Guide to the Mammals of Japan. Tokai Univ. Press, Hadano (in Jpn)

All the species of Atelerix (except A. albiventris), Hemiechinus, and Mesenchinus are designated as Uncategorized Alien Species by the Invasive Alien Species Act (import and keeping in Japan require 6 months investigation for risk assessment).