Cynops pyrrhogaster

Basic information
Scientific name	Cynops pyrrhogaster	Click to magnify
Common names	Japanese newt
Higher taxon	Salamandridae, Caudata, Amphibia
Natural range	Honshu, Shikoku, Kyushu, and peripheral islets (Sado, Awaji, Oki, Iki, Goto, Amakusa, Koshikijima, etc.)
Habitat	Paddy fields, ponds, streams, etc.

Invasion information
Range in Japan	Introduced to Hachijojima Island (the Izu Islands)
Origin	Chubu to Chugoku District (central to western part of the main island)
Date	Details unknown. Recorded since later 1970s.
Route	Accidental: Possibly hitchhiking on transport of the freshwater snail Semisulcospira bensoni, deliberately introduced as prey for the exotic firefly Luciola lateralis.
Impact	Unknown.
Regulation in Japan	No action for prevention, mitigation, control, or eradication.
Introduced range in other countries	None.

Reference	Notes
Hayashi et al. (1992) The origin of the Japanese newt Cynops pyrrhogaster on Hachijo-jima Island. Jpn J Herpetol. 14(4):215 (Abstract, in Jpn) Sengoku et al. (eds) (1996) Encyclopedia of Animals in Japan 5, Amphibians, Reptiles, Chondrichthyes. Heibonsha. (in Jpn) etc.