Buergeria japonica Japanese Name: リュウキュウカジカガエルChinese Name: 日本溪樹蛙、日本樹蛙English Name: Ryukyu kajika frogOrigin: Tokara Islands, Okinawa Islands, Amami Islands The Ryukyu kajika frog is not found in Honshu, Japan, but is distributed across the Ryukyu Islands, south of Kuchi-no-shima in the Tokara Islands (excluding the Miyako Islands, North Daito Island, and South Daito Island). A 2020 study… Continue reading Ryukyu Kajika Frog
Tag: Okinawajima
Himehabu
Species information Scientific name: Ovophis okinavensisJapanese name: ヒメハブChinese name: 姬波布, 沖繩烙鐵頭English name: Himehabu, Okinawa pit viperOrigin: Okinawa Islands (Okinawajima, Iheyajima, Iejima, Kumejima, Tokashikijima), Amami Islands (Amami Oshima, Kakeromajima, Ukejima, Yorojima, Tokunoshima) Ecology and description The Himehabu is a venomous snake that grows up to 80 cm in length. Its Japanese name, “Himehabu,” includes the word… Continue reading Himehabu
Ryukyu Odd-tooth Snake
Species information Scientific name: Lycondon semicarinatumJapanese name: アカマタChinese name: 琉球紅斑蛇、半稜狼齒蛇English name: Ryukyu odd-tooth snakeOrigin: Amami Islands, Okinawa Islands Ecology and description The Ryukyu odd-tooth snake is a non-venomous species that can grow up to 170 cm in length. However, juveniles are particularly aggressive. It is one of the most commonly encountered snakes in Yambaru and… Continue reading Ryukyu Odd-tooth Snake
Rusty-leaf Mucuna
Species information Scientific name: Mucuna macrocarpaJapanese name: イルカンダChinese name: 血藤English name: Rusty-leaf MucunaOrigin: Southern China, Taiwan, Malaysia, Amami Oshima to Okinawa Islands, and India. Ecology and description The Japanese name “Iru-kanda” is derived from the Okinawan dialect; “イル（iru）” means “color” in Okinawan, and “カンダ（kanda）” means “vine.” Rusty-leaf Mucuna is commonly found in the forests of… Continue reading Rusty-leaf Mucuna
Okinawa crocodile newt
Species information Scientific name: Echinotriton andersoniJapanese name: オキナワイボイモリChinese name: 沖繩棘螈English name: Okinawa crocodile newtOrigin: Okinawajima, Tokashikijima Ecology and description This species is designated as a natural monument in Okinawa Prefecture and is one of the most primitive species in the family Salamandridae. For this reason, it is often referred to as a “living fossil.” The… Continue reading Okinawa crocodile newt
Sword-tail Newt
Cynops ensicauda Japanese Name: シリケンイモリChinese Name: 劍尾蠑螈English Name: Sword-tail newtOrigin: Okinawa Islands, Amami Islands The specific name ensicauda comes from Latin, meaning “sword” (ensis) and “tail” (cauda). This species has subspecies distributed across the Okinawa and Amami Islands, but interestingly, it is absent from Tokunoshima, located between the Okinawa Islands and Amami Oshima. Sword-tail newts… Continue reading Sword-tail Newt
Ryukyu Tree Lizard
Diploderma polygonatum Japanese Name: キノボリトカゲChinese Name: 琉球龍蜥English Name: Ryukyu Tree LizardOrigin: Nominate subspecies distributed across the Amami Islands and Okinawa Islands; Sakishima subspecies found in the Miyako and Yaeyama Islands; Yonaguni subspecies found on Yonaguni Island. Previously classified under the genus Japalura, which is commonly associated with true tree lizards from South Asia, this genus… Continue reading Ryukyu Tree Lizard
Boettger’s Coral Snake
Sinomicrurus japonicus boettgeri Japanese Name: ハイChinese Name: 沖繩華珊瑚蛇、日本華珊瑚蛇沖繩亞種English Name: Boettger’s Coral SnakeOrigin: Tokunoshima, Okinawa Island, Tokashiki Island, Kumejima The Boettger’s Coral Snake, a subspecies of the Japanese Coral Snake (Sinomicrurus japonicus), belongs to the family Elapidae (cobra family). This small, venomous snake measures about 30–60 cm in length and is rare, making it difficult to… Continue reading Boettger’s Coral Snake
Green Grass Lizard
Takydromus smaragdinus Japanese Name: アオカナヘビChinese Name: 翡翠草蜥English Name: Green Grass LizardOrigin: Tokara Islands (Takarajima and Kodakarajima), Amami Oshima, Kikai Island, Tokunoshima, Okinawa Islands, Kumejima This species is distributed across parts of the Central Ryukyu Islands. Males are green or brown, with a brown stripe along the sides and a yellowish belly, while females are yellow-green,… Continue reading Green Grass Lizard
Sakamoto Freshwater Crab
Species information Scientific name: Geothelphusa sakamotoanusJapanese name: サカモトサワガニChinese name: 坂本澤蟹English name: Sakamoto Freshwater CrabOrigin: Okinawajima, Amami Oshima, Tokunoshima, Kikaijima Ecology and description Sakamoto Freshwater Crab is distributed not only in the northern part of Okinawajima but also in its central and southern regions. It is also found on Amami Oshima, Tokunoshima, and Kikaijima, making it… Continue reading Sakamoto Freshwater Crab