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
Author: YambaruWanyu
Ryukyu Kajika Frog
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
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
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
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
Yaeyama Music Frog
Nidirana okinavana Japanese Name: ヤエヤマハラブチガエルChinese Name: 琉球琴蛙English Name: Yaeyama Music FrogOrigin: Ishigakijima, Iriomotejima The call of the Yaeyama Music Frog sounds like a harp being played, making it truly unique. It primarily breeds in summer by digging burrows in wetland mud. When observing this species, it is crucial not to step into its breeding sites.… Continue reading Yaeyama Music Frog
Miyako Toad
Bufo gargarizans miyakonis Japanese Name: ミヤコヒキガエルChinese Name: 宮古蟾蜍English Name: Miyako ToadOrigin: Miyako islands (Miyakojima, Irabujima, Ikemashima, Shimojishima, Kurimajima) The Miyako Toad is a subspecies of the Asiatic toad (Bufo gargarizans), found in China and Russia. It is the only native toad species in the Ryukyu Islands. The breeding season lasts from September to March. The… Continue reading Miyako Toad
Miyako Keelback
Hebius concelarus Japanese Name: ミヤコヒバァChinese Name: 宮古腹鍊蛇English Name: Miyako KeelbackOrigin: Miyakojima, Irabujima The Miyako Keelback is an endemic species found in Miyakojima and Irabujima. Its population is extremely small, and it has been designated as a “Nationally Rare Wildlife Species” in Japan.
Miyako Freshwater Crab
Geothelphusa miyakoensis Japanese Name: ミヤコサワガニChinese Name: 宮古澤蟹English Name: Miyako Freshwater CrabOrigin: Miyakojima (Miyako island) The Miyako Freshwater Crab is an endemic freshwater crab species of Miyakojima, with a carapace width of approximately 3 cm. Currently, it is known to inhabit only four groundwater spring sites, making its population extremely small. Furthermore, the species is facing… Continue reading Miyako Freshwater Crab