Species information Scientific name: Geothelphusa miyakoensisJapanese name: ミヤコサワガニChinese name: 宮古澤蟹English name: Miyako freshwater crabOrigin: Miyakojima Ecology and description Miyako freshwater crab is an endemic freshwater crab species of Miyakojima. The carapace is about 3 cm wide. Currently, only 4 known habitats exist at groundwater outflow locations. The population is very limited, facing threats from habitat… Continue reading Miyako Freshwater Crab
Category: Other Animals
Yaeyama Ryukyu Crab
Species information Scientific name: Ryukyum yaeyamenseJapanese name: ヤエヤマヤマガニChinese name: 八重山琉球蟹English name: Yaeyama ryukyu crabOrigin: Ishigaki, Iriomote, Kohama Ecology and description The genus Ryukyum is endemic to the Ryukyu Islands, and currently only includes the single species Yaeyama ryukyu crab. This species is designated as a rare species of wildlife in Okinawa Prefecture due to its… Continue reading Yaeyama Ryukyu Crab
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
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
Coconut Crab
Species information Scientific name: Birgus latroJapanese name: ヤシガニChinese name: 椰子蟹English name: Coconut crabOrigin: Tropical islands along the coasts of the Indian Ocean and Western Pacific (with some islands where they have become extinct). In Japan, they are distributed from the Amami Islands to the westernmost Yonaguni. Ecology and description Coconut crab belongs to the family… Continue reading Coconut Crab
Stereophaedusa valida
Species information Scientific name: Stereophaedusa validaJapanese name: オキナワギセルChinese name: 沖繩煙管蝸牛English name: Stereophaedusa validaOrigin: Okinawajima Ecology and description Stereophaedusa valida has two subspecies: The shell is about 30mm long. This snail lives on tree trunks, and the tip of its shell often breaks when it falls from a tree. References:Kubo H, Kurozumi T (1995) 沖縄の海の貝・陸の貝 (Marine… Continue reading Stereophaedusa valida
Orisarma dehaani
Species information Scientific name: Orisarma dehaaniJapanese name: クロベンケイガニChinese name: 漢氏東方蟹、漢氏螳臂蟹English name: Orisarma dehaaniOrigin: Japan (from the Pacific coast south of Miyagi and the Sea of Japan coast south of Aomori to the Ryukyu Islands), the Korean Peninsula, Taiwan, the southern coast of China Ecology and description This crab lives in a habitat similar to that… Continue reading Orisarma dehaani
Pale shore crab
Species information Scientific name: Geograpsus crinipesJapanese name: オオカクレイワガニChinese name: 毛足陸方蟹English name: Pale shore crabOrigin: Japan (Izu Oshima, Ogasawara Islands, Satsuma Peninsula, Ryukyu Islands south of Amami Oshima), Taiwan, Red Sea, east coast of Africa, Indian Ocean, Pacific Ocean Ecology and description The pale shore crab is a land crab that lives on coasts near the… Continue reading Pale shore crab
Luchuena reticulata
Species information Scientific name: Luchuena reticulataJapanese name: キカイキセルガイモドキChinese name: 網紋琉球似煙管蝸牛English name: Luchuena reticulataOrigin: Amami Islands, Okinawajima Ecology and description This species is endemic to the Amami Islands and Okinawajima. In the scientific name Luchuena reticulata, Luchuena is the genus name: Luchu means Ryukyu and ena refers to the land snail genus Ena. This genus occurs… Continue reading Luchuena reticulata