Ryukyu Brown Frog

Species information Scientific name: Rana ulmaJapanese Name: リュウキュウアカガエルChinese Name: 琉球赤蛙、沖繩林蛙English Name: Ryukyu brown frogOrigin: Okinawajima, Kumejima Ecology and description Brown frog populations from Tokunoshima, Amamioshima, Okinawajima, and Kumejima were once all classified as same species. However, recent studies revealed that although frogs from Okinawajima and Kumejima resemble those from Tokunoshima and Amamioshima in appearance, their… Continue reading Ryukyu Brown Frog

Otton Frog

Species information Scientific name: Babina subasperaJapanese name: オットンガエルChinese name: 隆背拇棘蛙、奧頓蛙English name: Otton frogOrigin: Amami Oshima, Kakemaru Island Ecology and description The specific name subaspera of Otton frog means raised, referring to the protrusions on its back. The Japanese common name “Otton” means “giant” in the Amami dialect. Male Otton frog can reach a length of… Continue reading Otton Frog

Hallowell’s tree frog

Species information Scientific name: Hyla hallowelliiJapanese name: ハロウエルアマガエルChinese name: 哈氏樹蟾、哈氏雨蛙English name: Hallowell’s tree frogOrigin: Okinawajima, Amami Islands Ecology and description The name Hallowell’s tree frog honors Edward Hallowell, a physician from Philadelphia and amateur naturalist who described many Japanese amphibians and reptiles in the 19th century. Males call and breed from March to June during… Continue reading Hallowell’s tree frog

Okinawa Narrow-mouthed Toad

Species information Scientific name: Microhyla okinavensisJapanese name: ヒメアマガエルChinese name: 沖繩小雨蛙、沖繩飾紋姬蛙English name: Okinawa narrow-mouthed toadOrigin: Amami Islands, Okinawa Islands, and Miyako Islands Ecology and description Originally, the Okinawa narrow-mouthed toad and the Taiwanese narrow-mouthed toad were both classified under the South Asian M. ornata. However, a phylogenetic study in 2005 reclassified the Taiwanese population as M.… Continue reading Okinawa Narrow-mouthed Toad

Ryukyu Kajika Frog

Species information Scientific name: Buergeria japonicaJapanese name: リュウキュウカジカガエルChinese name: 日本樹蛙、日本河鹿蛙English name: Ryukyu kajika frogOrigin: Tokara Islands, Okinawa Islands, Amami Islands Ecology and description Ryukyu kajika frog is not actually found on Japan’s Honshu island but is distributed throughout the Ryukyu Islands south of Kuchinoshima in the Tokara Islands (excluding the Miyako Islands, Kita Daito, and… Continue reading Ryukyu Kajika Frog

Yaeyama Music Frog

Species information Scientific name: Nidirana okinavanaJapanese name: ヤエヤマハラブチガエルChinese name: 琉球琴蛙English name: Yaeyama music frogOrigin: Ishigaki, Iriomote Ecology and description The call of the Yaeyama music frog resembles the sound of playing a harp, which is very unique. They mainly dig burrows for breeding in mudflats during the summer. It is crucial not to step into… Continue reading Yaeyama Music Frog

Miyako Toad

Species information Scientific name: Bufo gargarizans miyakonisJapanese name: ミヤコヒキガエルChinese name: 宮古蟾蜍English name: Miyako toadOrigin: Miyako Islands (Miyako Islands (Miyakojima, Irabujima, Shimojijima, Ikemajima, and Kurimajima) Ecology and description Miyako toad is a subspecies of the Asiatic toad (Bufo gargarizans), found in China, and is the only native toad species in the Ryukyu Islands. The breeding season… Continue reading Miyako Toad

Greater Tip-nosed Frog

Species information Scientific name: Odorrana supranarinaJapanese name: オオハナサキガエルChinese name: 大臭蛙、八重山臭蛙English name: Greater tip-nosed frogOrigin: Ishigaki, Iriomote Ecology and description Greater tip-nosed frog is an endemic species found only on Ishigaki and Iriomote. Its species name, supranarina, means larger than the Okinawa tip-nosed frog (O. narina). The body length of males is about 6-7 cm, while… Continue reading Greater Tip-nosed Frog

Eiffinger’s Tree Frog

Species information Scientific name: Kurixalus eiffingeriJapanese name: アイフィンガーガエルChinese name: 艾氏樹蛙、琉球原指樹蛙English name: Eiffinger’s tree frogOrigin: Ishigaki, Iriomote, Taiwan Ecology and description Eiffinger’s tree frog belongs to the Kurixalus genus and is found in Japan on Ishigaki and Iriomote islands. It has variable body coloration. This species lays eggs in tree holes, and both males and females… Continue reading Eiffinger’s Tree Frog

Amami Tip-nosed Frog

奄美臭蛙

Species information Scientific name: Odorrana amamiensisJapanese name: アマミハナサキガエルChinese name: 奄美臭蛙、奄美鼻先蛙、奄美尖鼻蛙English name: Amami tip-nosed frogOrigin: Amami Oshima, Tokunoshima Ecology and description This species is similar in appearance to the Okinawa tip-nosed frog (Odorrana ranina) found in northern Okinawajima, but it is larger, with adults reaching up to 10 cm. Its coloring can vary between brown and… Continue reading Amami Tip-nosed Frog