Bufo japonicus
Japanese Common Toad, Nihon-hikigaeru, Azuma-hikigaeru
family: Bufonidae

© 2007 Dr. Peter Janzen (1 of 4)
Conservation Status (definitions)
IUCN (Red List) Status Least Concern (LC)
Other International Status None
National Status None
Regional Status None


View distribution map using BerkeleyMapper.


From the IUCN Red List Species Account:


Range Description

This species is endemic to Japan. It is distributed in Kyushu, Shikoku, Honshu and southern Hokkaido. It has also been introduced to Izu Oshima.

Habitat and Ecology

It occurs in a wide variety of habitats ranging from coastal areas to high mountains. It breeds in still water where the larvae also develop. It can also be found in anthropogenic habitats.


The population is decreasing but it is not in significant decline.

Population Trend


Major Threats

The major threats to the species are mainly in the western part of its distribution. Infrastructure development for human settlement including the construction of roads are the main threats.

Conservation Actions

Its range includes several protected areas.

Taxonomic Notes

There are two subspecies: Bufo japonicus japonicus and B.j. formosus.


Yoshio Kaneko, Masafumi Matsui 2004. Bufo japonicus. In: IUCN 2014


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