Japan
Checklist of Endemic Amphibian Species
This list of amphibian species found exclusively in Japan is based on the taxonomy used in Frost (2004). For further details on possible inaccuracies in the list see Sources & Caveats.
Frost, D.R. (2004) Amphibian Species of the World: an Online Reference. 3.0 (22 August 2004). American Museum of Natural History, New York, USA.
The current version of this electronic database is accessible here
Bufo japonicus (Anura - Bufonidae) Japanese Common Toad
Bufo torrenticola (Anura - Bufonidae) Japanese Stream Toad
Hyla hallowellii (Anura - Hylidae) Hallowell's Tree Frog
Microhyla okinavensis (Anura - Microhylidae) Okinawa Rice Frog
Limnonectes namiyei (Anura - Ranidae) Namie's Frog
Rana amamiensis (Anura - Ranidae) Amami Tip-nosed Frog
Rana holsti (Anura - Ranidae) Holst's Frog
Rana ishikawae (Anura - Ranidae) Ishikawa's Frog
Rana narina (Anura - Ranidae) Ryukyu Tip-nosed Frog
Rana ornativentris (Anura - Ranidae) Montane Brown Frog
Rana porosa (Anura - Ranidae) Tokyo Daruma Pond Frog
Rana psaltes (Anura - Ranidae) Yaeyama Harpist Frog
Rana rugosa (intro) (Anura - Ranidae) Japanese Wrinkled Frog
Rana sakuraii (Anura - Ranidae) Stream Brown Frog
Rana subaspera (Anura - Ranidae) Otton Frog
Rana supranarina (Anura - Ranidae) Large Tip-nosed Frog
Rana tagoi (Anura - Ranidae) Tago's Brown Frog
Rana tsushimensis (Anura - Ranidae) Tsushima Brown Frog
Rana utsunomiyaorum (Anura - Ranidae) Utsunomiya's Tip-nosed Frog
Buergeria buergeri (Anura - Rhacophoridae) Kajika Frog
Rhacophorus arboreus (Anura - Rhacophoridae) Forest Green Tree Frog
Rhacophorus owstoni (Anura - Rhacophoridae) Owston's Green Tree Frog
Rhacophorus schlegelii (Anura - Rhacophoridae) Schlegel's Green Tree Frog
Rhacophorus viridis (Anura - Rhacophoridae) Okinawa Green Tree Frog
Andrias japonicus (Caudata - Cryptobranchidae) Japanese Giant Salamander
Hynobius abei (Caudata - Hynobiidae) Abe's Salamander
Hynobius boulengeri (Caudata - Hynobiidae) Odaigahara Salamander
Hynobius dunni (Caudata - Hynobiidae) Oita Salamander
Hynobius hidamontanus (Caudata - Hynobiidae) Japanese Mountain Salamander
Hynobius kimurae (Caudata - Hynobiidae) Hida Salamander
Hynobius lichenatus (Caudata - Hynobiidae) Tohoku Salamander
Hynobius naevius (Caudata - Hynobiidae) Blotched Salamander
Hynobius nebulosus (Caudata - Hynobiidae) Clouded Salamander
Hynobius nigrescens (Caudata - Hynobiidae) Japanese Black Salamander
Hynobius okiensis (Caudata - Hynobiidae) Oki Salamander
Hynobius retardatus (Caudata - Hynobiidae) Hokkaido Salamander
Hynobius stejnegeri (Caudata - Hynobiidae) Amber-colored Salamander
Hynobius takedai (Caudata - Hynobiidae) Hokuriku Salamander
Hynobius tokyoensis (Caudata - Hynobiidae) Tokyo Salamander
Hynobius tsuensis (Caudata - Hynobiidae) Tsushima Salamander
Onychodactylus japonicus (Caudata - Hynobiidae) Japanese Clawed Salamander
Cynops ensicauda (Caudata - Salamandridae) Sword-tailed Newt
Cynops pyrrhogaster (Caudata - Salamandridae) Japanese Fire-bellied Newt
Additional endemic amphibian species that were recognized as distinct species too recently to be included in Frost (2004) are given below. This list is primarily based on information from the IUCN Red List (here) and the current version of the Amphibian Species of the World database (here) and includes species described through 2008. In addition to the 43 endemic amphibian species listed above, these additional 5 species total 48 species of amphibians known solely from Japan.
Fejervarya sakishimensis (Anura - Dicroglossidae) Sakishima Rice Frog 2007
Rana japonica (Anura - Ranidae) Japanese Brown Frog 1879
Hynobius katoi (Caudata - Hynobiidae) Akaishi Salamander 2004
Hynobius yatsui (Caudata - Hynobiidae) Yatsu's Salamander 1947
Echinotriton andersoni (Caudata - Plethodontidae) Japanese Warty Newt 1892