Bufo japonicus formosus

Basic information
Scientific name	Bufo japonicus formosus	Click to magnify
Common names	Japanese common toad
Higher taxon	Bufonidae, Anura, Amphibia
Natural range	Eastern Japan except Hokkaido.
Habitat	Various habitats such as farm area, forest, grassland, urban park, nearby beach, etc.

Invasion information
Range in Japan	Introduced to Hakodate (Asahikawa, Muroran, Hakodate), Sadogashima Is. (Niigata Pref.), and Izu Islands (Oshima, Niijima, and Miyakejima Is.).
Origin
Date	Details unknown. In Izu Islands, this species increase explosively in ca.1980.
Route
Impact	Predation on native species. Affected organism: Terrestrial invertebrates (by predation).
Regulation in Japan	No action for prevention, mitigation, control, or eradication.
Introduced range in other countries

Reference

Notes

Hasegawa (1999) Impacts of the introduced weasel on the insular food webs. pp.129-154. Ota (ed) Tropical Island Herpetofauna: Origin, Current Diversity, and Conservation. Elsevier.
Sengoku et al. (eds) (1996) Encyclopedia of Animals in Japan 5, Amphibians, Reptiles, Chondrichthyes. Heibonsha. (in Jpn)
Maeda & Matsui (1999) Frogs and Toads of Japan. Bun-ichi Sogo Shuppan. (in Jpn, Eng abstract)
Toda & Yoshida (2005) Issues and perspectives regarding invasive alien species of amphibians and reptiles in Japan. Bull. Herpetol. Soc. Jpn. 2005(2):139-149
Tokuda (2011) Compact Picture Guide to Hokkaido Reptiles & Amphibians. Hokkaidoshinbunsha, Sapporo (in Jpn)
etc.