The Tago's brown frog or simply Tago frog (Rana tagoi) is a species of frog in the family Ranidae endemic to Japan. It is widely distributed within Japan and found on Honshu, Shikoku, and Kyushu, as well as on some outlying islands. There are two subspecies: Rana tagoi okiensis — Oki Islands Rana tagoi yakushimensis — Yakushima These might qualify as species. It can also introgres with its sister species, Rana sakuraii. Habitat These frogs are found in montane areas close to streams in the leaf-litter, or underneath stones in the streams. References Rana (genus) Amphibians described in 1928 Endemic amphibians of Japan Taxonomy articles created by Polbot Taxa named by Katsuya Tago