Mucuna macrocarpa Japanese Name: イルカンダChinese Name: 血藤English Name: Rusty-leaf MucunaOrigin: Southern China, Taiwan, Malaysia, Amami Islands to Okinawa Islands, India The Japanese name Irukanda comes from the Okinawan dialect, where Iru means “color” and Kanda refers to “vine.” This species is common in the forests of Yambaru. From March to May, its flowers bloom in… Continue reading Rusty-leaf Mucuna
Tag: Tokunoshima
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
Amami Freshwater Crab
Species information Scientific name: Amamiku amamensisJapanese name: アマミミナミサワガニChinese name: 奄美阿神蟹English name: Amami Freshwater CrabOrigin: Endemic to Tokunoshima and Amami Oshima Ecology and description Amami Freshwater Crab belongs to the genus Amamiku, named after the creation goddess Amamiku from Ryukyu culture. This species was initially considered an Amami subspecies of Okinawa Candidiopotamon freshwater crab (Candidiopotamon okinawense),… Continue reading Amami Freshwater Crab
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
Amami Spiny Newt
Echinotriton raffaellii Japanese name: アマミイボイモリChinese name: 奄美棘螈English name: Amami Spiny NewtOrigin: Tokunoshima, Amami Oshima, Ukeshima This species is one of the most primitive members of the salamander family, often referred to as a “living fossil.” It is named for its protruding ribs on both sides of its body. The population is scarce and under threat… Continue reading Amami Spiny Newt
Ruddy Kingfisher (Ryukyu subspecies)
Halcyon coromanda bangsi Japanese Name: リュウキュウアカショウビンChinese Name: 琉球赤翡翠English Name: Ruddy KingfisherOrigin: Summer migrant to the Ryukyu Islands The Ryukyu Ruddy Kingfisher is a subspecies of the Ruddy Kingfisher (Halcyon coromanda bangsi). During winter, it resides in the Philippines, while in summer, it migrates to the Ryukyu Islands for breeding. Compared to the subspecies that migrates… Continue reading Ruddy Kingfisher (Ryukyu subspecies)
Amami Tip-nosed Frog
Odorrana amamiensis Japanese 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 This species closely resembles the Okinawa Tip-nosed Frog (Odorrana ranina), found in northern Okinawa, but is larger in size. Adult frogs can grow up to 10 cm, and they exhibit color variations ranging from brown to green. They are highly alert… Continue reading Amami Tip-nosed Frog
Ryukyu Large Brown Cicada
Graptopsaltria bimaculata Japanese Name: リュウキュウアブラゼミChinese Name: 琉球油蟬English Name: Ryukyu Large Brown CicadaOrigin: Okinawa Island and surrounding islands, Amami Oshima, Kakeromajima, Tokunoshima Reference：“Okinawa’s Cicadas” by Shinsei Publishing In Japan, the Large Brown Cicada (G. nigrofuscata) is found north of Yakushima, while Ryukyu Large Brown Cicada is endemic to the central Ryukyu Islands, including the Amami and… Continue reading Ryukyu Large Brown Cicada