Species information Scientific name: Leptopoma nitidumJapanese name: アオミオカタニシChinese name: 青山蝸牛English name: Shining LeptopomaOrigin: Ryukyu Islands south of the Amami Islands, Taiwan, Papua New Guinea Ecology and description Shining Leptopoma is a common snail in the Ryukyu Islands, easily found in secondary forest environments. Although it looks like a snail, it is taxonomically a terrestrial gastropod.… Continue reading Shining Leptopoma
Category: Other Animals
Pseudogagrella amamiana
Species information Scientific name: Pseudogagrella amamianaJapanese name: ギンボシザトウムシChinese name: 奄美偽盾刺盲蛛English name: Pseudogagrella amamianaOrigin: Southern Kyushu, Yakushima, Amami Islands, Okinawa Islands Ecology and description This species is the most common harvestman from southern Kyushu to the Okinawa Islands. Its back has a bluish-green sheen with a central spine. Field photographs taken during our tours, with observation… Continue reading Pseudogagrella amamiana
Ryukyu Fishing Spider
Species information Scientific name: Dolomedes orionJapanese name: オオハシリグモChinese name: 大狡蛛English name: Ryukyu fishing spiderOrigin: Tokara Islands, Amami Oshima, Tokunoshima, Okinawajima, Tokashikijima, Kumejima Ecology and description Ryukyu fishing spider is the largest hunting-type spider in Japan, and it hunts by the waterside without building a web. Ryukyu fishing spider lightly touches the water surface with its… Continue reading Ryukyu Fishing Spider
Giant House Centipede
Species information Scientific name: Thereuopoda cluniferaJapanese name: オオゲジChinese name: 大蚰蜒、臀獵足蚰English name: Giant house centipedeOrigin: Widely distributed in warm, humid areas of East and Southeast Asia. In Japan, found in Honshu, Shikoku, Kyushu, and the Ryukyu Islands. Ecology and description The giant house centipede can grow up to 7-10 cm and preys on insects and other… Continue reading Giant House Centipede
Blueberry Hermit Crab
Species information Scientific name: Coenobita purpureusJapanese name: ムラサキオカヤドカリChinese name: 紫陸寄居蟹English name: Blueberry hermit crabOrigin: Southern Kyushu, Ryukyu Islands, Ogasawara Islands Ecology and description Coenobita purpureus occurs in southern Kyushu, the Ryukyu Islands and the Ogasawara Islands. It was long considered endemic to Japan, but it has also been found in Taiwan in recent years. Its… Continue reading Blueberry Hermit Crab
Okinawa Geothelphusa Freshwater Crab
Species information Scientific name: Geothelphusa grandiovataJapanese name: オキナワオオサワガニChinese name: 巨圓澤蟹English name: Okinawa Geothelphusa Freshwater CrabOrigin: Endemic to Okinawajima Ecology and description This species is one of the largest in the genus Geothelphusa found in Japan. Its surface is smooth and glossy, with a wide range of colors including reddish-brown, yellowish-brown, and purplish-brown. The species name grandiovata… Continue reading Okinawa Geothelphusa Freshwater Crab
Satsuma eucosmia eucosmia
Species information Scientific name: Satsuma eucosmia eucosmiaJapanese name: オキナワヤマタカマイマイChinese name: 沖繩高腰蝸牛English name: Satsuma eucosmia eucosmiaOrigin: Okinawajima, Hamahigajima Ecology and description Satsuma eucosmia is an arboreal land snail with the following two subspecies: S. e. eucosmia occurs in two isolated areas of Okinawajima, one in the north and one in the south, and is absent from… Continue reading Satsuma eucosmia eucosmia
Okinawa Candidiopotamon Freshwater Crab
Species information Scientific name: Candidiopotamon okinawenseJapanese name: オキナワミナミザワガニChinese name: 沖繩明溪蟹English name: Okinawa Candidiopotamon freshwater crabOrigin: Endemic to Okinawajima Ecology and description The genus Candidiopotamon is found only in Taiwan and parts of the Central Ryukyus. Five species are currently known, three in Okinawa Prefecture and two in Taiwan: Candidiopotamon okinawense, the species found on Okinawajima,… Continue reading Okinawa Candidiopotamon Freshwater Crab
Halcyon Giant Centipede
Species information Scientific name: Scolopendra alcyonaJapanese name: リュウジンオオムカデChinese name: 琉神蜈蚣、青龍蜈蚣（TW）English name: Halcyon giant centipedeOrigin: Northern Okinawajima, Ishigakijima, Iriomotejima, Kumejima, Tokashikijima, Taiwan Ecology and description This species was described as new in April 2021 ( Reference ), and it is the third known amphibious centipede species in the world. It inhabits stream environments and is known… Continue reading Halcyon Giant Centipede
Kumejima Geothelphusa Freshwater Crab
Species information Scientific name: Geothelphusa kumejimaJapanese name: クメジマオオサワガニChinese name: 久米澤蟹English name: Kumejima Geothelphusa freshwater crabOrigin: Endemic to Kumejima Ecology and description This species is an endemic freshwater crab of Kumejima, and its body color is mostly bright purple. Field photographs taken during our tours, with observation dates