Larvivora namiyei Japanese name: ホントウアカヒゲChinese name: 沖繩歌鴝English name: Okinawa RobinOrigin: Northern Okinawajima The Okinawa Robin is an endemic species restricted to the Yambaru region in northern Okinawajima. Males have black feathers from the face to the chest, while females have gray feathers in the same area. They live in the forest understory and feed on… Continue reading Okinawa Robin
Tag: Okinawajima
Holst’s frog
Species information Scientific name: Babina holsti Japanese name: ホルストガエルChinese name: 赫氏拇棘蛙、琉球拇棘蛙English name: Holst’s frogDistribution: Northern Okinawajima, Tokashikijima Ecology and description Holst’s frog is designated as a Natural Monument of Okinawa Prefecture. With adults reaching up to 12 cm in length, it is the largest native frog species on Okinawa Island. The breeding season occurs in summer,… Continue reading Holst’s frog
Namie’s Frog
Species information Scientific name: Limnonectes namiyeiJapanese name: ナミエガエルChinese name: 波江大頭蛙, 波江蛙English name: Namie’s frogOrigin: Endemic to northern Okinawajima Ecology and description Namie’s frog inhabits the upper reaches of mountain streams and breeds during the summer. It is characterized by its large head and belongs to the same genus as the Fujian large-headed frog (L. fujianensis)… Continue reading Namie’s Frog
Brown spotted pitviper
Protobothrops mucrosquamatus Japanese name: タイワンハブChinese name: 龜殼花English name: Brown spotted pitviperOrigin: India, Bangladesh, Myanmar, Taiwan, mainland China The population of Brown spotted pitvipers on Okinawajima is an introduced species from Taiwan, currently found mainly in areas such as the Motobu Peninsula and Onna Village. Between the 1970s and 1990s, large numbers of this species were… Continue reading Brown spotted pitviper
Yambaru Chevron Cricket
Melanabropsis yanbarensis Japanese name: ヤンバルクロギリスChinese name: 山原烏黯螽English name: Yambaru Chevron CricketOrigin: Okinawajima, Kumejima The Yambaru Chevron Cricket was once thought to be endemic to Okinawajima, but its presence was also confirmed on Kumejima in recent years. It typically inhabits areas near large trees such as Castanopsis sieboldii that can form tree cavities. The presence of… Continue reading Yambaru Chevron Cricket
Ryukyu Sweetleaf
Symplocos liukiuensis liukiuensis Japanese name: アオバナハイノキChinese name: 青花灰木English name: Ryukyu SweetleafOrigin: Endemic to Okinoerabujima and Okinawajima This subspecies is endemic to Okinoerabujima and Okinawajima. A related subspecies, Symplocos liukiuensis iriomotensis (Iriomote Sweetleaf), is found only on Iriomotejima. It produces small, delicate purple flowers around February, which are highly ornamental. Unfortunately, its beauty has led to… Continue reading Ryukyu Sweetleaf
Himeyuri Freshwater Crab
Geothelphusa tenuimanus Japanese name: ヒメユリサワガニChinese name: 細掌澤蟹English name: Himeyuri Freshwater CrabOrigin: Endemic to Okinawajima The Himeyuri Freshwater Crab is a relatively small species with a carapace width of about 3 cm. It is characterized by extremely slender walking legs and a body color that is usually tinged with purplish-red. It inhabits limestone areas on Okinawajima,… Continue reading Himeyuri Freshwater Crab
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
White-lipped Tree Frog
Polypedates leucomystax Japanese Name: シロアゴガエルChinese Name: 白頷樹蛙English Name: White-lipped Tree FrogOrigin: Widely distributed in Southeast Asia, from northeastern India to the Philippines Reference: National Institute for Environmental Studies, Invasive Species Databasehttps://www.nies.go.jp/biodiversity/invasive/DB/detail/40030.html This species has been confirmed on many islands of the Okinawa Islands, as well as Kitadaitojima, the Sakishima Islands (including Miyakojima and Ishigakijima), and… Continue reading White-lipped Tree Frog
Brown Land Crab
Cardisoma carnifex Japanese Name: ミナミオカガニChinese Name: 凶狠圓軸蟹English Name: Brown Land CrabOrigin: Coastal regions of Southeast Asia bordering the Pacific and Indian Oceans; in Japan, found on islands south of Yoronjima in the Ryukyu Islands. The Brown Land Crab is one of the terrestrial crabs found in the Ryukyu Islands. In recent years, its population has… Continue reading Brown Land Crab