Yaeyama Narrow-Mouthed Toad

Species information Scientific name: Microhyla kuramotoiJapanese name: ヤエヤマヒメアマガエルChinese name: 八重山姬蛙、八重山小雨蛙English name: Yaeyama narrow-mouthed toadOrigin: Yaeyama Islands Ecology and description The Yaeyama narrow-mouthed toad was previously considered to be the Okinawajima narrow-mouthed toad (M. okinavensis). However, a 2020 phylogenetic study further separated the population in the Yaeyama Islands as a distinct species, M. kuramotoi, which is… Continue reading Yaeyama Narrow-Mouthed Toad

Yaeyama Palm

Satakentia liukiuensis Japanese name: ヤエヤマヤシChinese name: 八重山椰子English name: Yaeyama PalmOrigin: Ishigakijima and Iriomotejima This palm species can grow up to 25 meters tall and is a rare plant belonging to a monotypic genus. It is endemic to the Yaeyama Islands, and only three natural populations are currently known. However, it is widely planted as a… Continue reading Yaeyama Palm

Okinawa needlewood tree

Schima wallichii ssp.  Japanese name: イジュChinese name: 西南木荷、紅木荷English name: Okinawa needlewood treeOrigin: This species is widely distributed in Southeast Asia. In Japan, it is found in the Ryukyu Islands and the Ogasawara Islands. Schima wallichii is distributed mainly in the Ogasawara and Ryukyu Islands in Japan. The populations in these two regions differ slightly in appearance,… Continue reading Okinawa needlewood tree

Halcyon Giant Centipede

Species information Scientific name: Scolopendra alcyonaJapanese name: リュウジンオオムカデChinese name: 琉神蜈蚣、青龍蜈蚣(TW)English name: Halcyon giant centipedeOrigin: Northern Okinawajima, Ishigakijima, Iriomotejima, Kumejima, Tokashikijima, Taiwan Ecology and description This species was described as new in April 2021 ( Reference ), and it is the third known amphibious centipede species in the world. It inhabits stream environments and is known… Continue reading Halcyon Giant Centipede

Sakishima Habu

先島波布

Protobothrops elegans Japanese name: サキシマハブChinese name: 先島原矛頭蝮、先島波布、麗紋龜殼花、先島烙鐵頭English name: Sakishima HabuOrigin: Yaeyama Islands (excluding Yonagunijima and Haterumajima). In southern and central Okinawajima, it is a domestic alien species. The Sakishima Habu is a relatively small pit viper, measuring about 60 to 120 cm in length, much smaller than the Habu (Protobothrops flavoviridis). Its body is generally… Continue reading Sakishima Habu

Chinese Peacock Swallowtail

Papilio bianor Japanese name: ヤエヤマカラスアゲハChinese name: 翠鳳蝶、烏鴉鳳蝶(台湾)、碧鳳蝶(香港)English name: Chinese Peacock SwallowtailOrigin: Taiwan, China, Japan, Korea, northern Vietnam, India, Myanmar. In Japan, it is found in the Yaeyama Islands. This is a large species of swallowtail butterfly commonly seen in the Yaeyama Islands, but it is also found in Taiwan, Hong Kong, and other regions. Its… Continue reading Chinese Peacock Swallowtail

Yaeyama Pachyrhynchus Weevil

Species information Scientific name: Pachyrhynchus infernalisJapanese name: クロカダゾウムシChinese name: 八重山球背象鼻蟲English name: Yaeyama Pachyrhynchus weevilOrigin: Ishigakijima, Iriomotejima Ecology and description This species is the only representative of the genus Pachyrhynchus confirmed to occur in Japan, and it is found only on Ishigakijima and Iriomotejima. Members of this genus are primarily distributed across the Philippine islands, with… Continue reading Yaeyama Pachyrhynchus Weevil

Sakishima Green Snake

Cyclophiops herminae Japanese Name: サキシマアオヘビChinese Name: 先島青蛇English Name: Sakishima green snakeOrigin: Yaeyama Islands, Miyako Islands The Sakishima green snake (Cyclophiops herminae) is a slender snake, typically measuring about 50–85 cm in length, with a grayish-green body. It has a relatively small head, and some individuals may display dark longitudinal stripes. This species primarily feeds on… Continue reading Sakishima Green Snake

Sakishima Odd-tooth Snake

Lycodon rufozonatus walli Japanese name: サキシママダラChinese name: 先島紅斑蛇、赤鏈蛇沃氏亞種English name: Sakishima Odd-tooth SnakeOrigin: Miyako Islands, Yaeyama Islands The species Lycodon rufozonatus is divided into two subspecies:

Owston’s Green Tree Frog

八重山樹蛙

Rhacophorus owstoni Japanese Name: ヤエヤマアオガエルChinese Name: 八重山樹蛙English Name: Owston’s Green Tree FrogOrigin: Ishigakijima, Iriomotejima The breeding season of Rhacophorus owstoni runs from December to April. This species was formerly considered a subspecies of Rhacophorus viridis (Okinawan Green Tree Frog), but is now recognized as a distinct species. It is very abundant on Ishigakijima, and roadkill… Continue reading Owston’s Green Tree Frog