Hynobius tokyoensis
Tokyo Salamander
Subgenus: Hynobius
family: Hynobiidae
subfamily: Hynobiinae

© 2005 Henk Wallays (1 of 22)
Conservation Status (definitions)
IUCN (Red List) Status Vulnerable (VU)
Other International Status None
National Status None
Regional Status Near Threatened at Kanto District on Honshu Island in Japan



View distribution map using BerkeleyMapper.

From the IUCN Red List Species Account:


Range Description

This is a Japanese endemic that is mainly distributed in Kanto District on Honshu Island. It occurs up to 300m asl.

Habitat and Ecology

It occurs in forests from coastal areas to hilly areas. It breeds in paddy fields, ditches, and springs where the larvae also develop.


Most populations of this species are currently believed to be in decline.

Population Trend


Major Threats

This species is threatened by habitat loss due to infrastructure development (housing and road construction), water pollution, invasive species, and the drying out of its habitat. It is also collected for the pet trade.

Conservation Actions

There are currently no known conservation measures in place.

Red List Status

Vulnerable (VU)


Listed as Vulnerable because its Extent of Occurrence is less than 20,000 km2, its distribution is severely fragmented, and there is continuing decline in the extent and quality of its forest habitat on Honshu, Japan.


Yoshio Kaneko, Masafumi Matsui 2004. Hynobius tokyoensis. The IUCN Red List of Threatened Species 2004: e.T59103A11880869. .Downloaded on 20 February 2019


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