Kumejima Candidiopotamon Freshwater Crab

Candidiopotamon kumejimense Japanese name: クメジマミナミサワガニChinese name: 久米明溪蟹English name: Kumejima Candidiopotamon Freshwater CrabOrigin: Kumejima (endemic) This species is endemic to Kumejima. Compared to Geothelphusa kumejima, it has coarse wrinkles and protuberances on the surface of its carapace, making it easy to distinguish by appearance. The genus Candidiopotamon is distributed only in Taiwan and some of the… Continue reading Kumejima Candidiopotamon Freshwater Crab

Ryukyu Brown Frog

琉球赤蛙

Rana ulma Japanese 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 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 vocalizations are noticeably different. As a… 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

Ryukyu Stream Cricket

Vescelia pieli ryukyuensis Japanese Name: リュウキュウサワマツムシChinese Name: 琉球擬亮蟋、比爾擬亮蟋琉球亞種、皮爾氏亮蟋琉球亞種English Name: Ryukyu Stream CricketOrigin: Amamioshima, Tokunoshima, Okinawajima, Kumejima, Ishigakijima, Iriomotejima In streamside environments of Okinawajima and other islands, the clear and high-pitched calls of the Ryukyu Stream Cricket can often be heard. These sounds are courtship calls produced by males rubbing their forewings together. Although their calls… Continue reading Ryukyu Stream Cricket

Pryer’s Keelback Snake

Hebius pryeri Japanese name: ガラスヒバァChinese name: 沖繩腹鍊蛇、普氏腹鍊蛇English name: Pryer’s Keelback SnakeOrigin: Okinawa Islands, Amami Islands Pryer’s Keelback Snake primarily feeds on frogs. It is often found near streams, irrigation channels, and rice paddies, and is commonly seen on roads during or after rain, where it scavenges road-killed frogs. Unfortunately, this behavior makes it vulnerable to… Continue reading Pryer’s Keelback Snake

Ryukyu Green Snake

琉球青蛇

Cyclophiops semicarinatus Japanese name: リュウキュウアオヘビChinese name: 琉球青蛇English name: Ryukyu Green SnakeOrigin: Amami Islands, Okinawa Islands, Takarajima and Kodakarajima (Tokara Islands) The Ryukyu Green Snake grows to about 70–80 cm in length. Compared to the bright green coloration of the green snake found in Mainland China and Taiwan (Cyclophiops major), this species usually appears deep green… Continue reading Ryukyu Green Snake

Habu

Protobothrops flavoviridis Japanese Name: ハブChinese Name: 波布、黄綠龜殼花English Name: HabuOrigin: Some islands of the Okinawa Islands and Amami Islands The Habu is undoubtedly one of Japan’s most beautiful and fascinating snakes, yet it is also one of the most venomous and dangerous. It is found on certain islands of the Okinawa and Amami Islands, with its… Continue reading Habu

Ryukyu Stream Treefrog

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 Stream TreefrogOrigin: Tokara Islands, Okinawa Islands, Amami Islands The Ryukyu Stream Treefrog 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 Stream Treefrog

Okinawa Pitviper

姬波布

Ovophis okinavensis Japanese Name: ヒメハブChinese Name: 姬波布, 沖繩烙鐵頭English Name: Okinawa Pitviper, HimehabuOrigin: Okinawa Islands (Okinawajima, Iheyajima, Iejima, Kumejima, Tokashikijima), Amami Islands (Amami Oshima, Kakeromajima, Ukejima, Yorojima, Tokunoshima) The Okinawa pitviper is a venomous snake that grows up to 80 cm in length. Its Japanese name, “Himehabu,” includes the word “hime,” meaning “small,” as it is… Continue reading Okinawa Pitviper