Ryukyum yaeyamense Japanese name: ヤエヤマヤマガニChinese name: 八重山琉球蟹English name: Yaeyama Ryukyu CrabOrigin: Found on Ishigaki Island, Iriomote Island, and Kohama Island The genus Ryukyum is endemic to the Ryukyu Islands and currently includes only the Yaeyama Ryukyu Crab. This species is designated as a rare wild species in Okinawa Prefecture, with numbers decreasing due to habitat… Continue reading Yaeyama Ryukyu Crab
Category: Other invertebrates
Amami Freshwater Crab
Amamiku amamensis Japanese 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 The genus Amamiku, named after the Ryukyuan goddess of creation, Amamiku, includes this species. Initially thought to be a subspecies of the Okinawa Candidiopotamon Freshwater Crab (Candidiopotamon okinawense), it was reclassified as a separate genus in 2004. The… Continue reading Amami Freshwater Crab
Sakamoto Freshwater Crab
Geothelphusa sakamotoanus Japanese Name: サカモトサワガニChinese Name: 坂本澤蟹English Name: Sakamoto Freshwater CrabOrigin: Okinawa Island, Amami Oshima, Tokunoshima, Kikai Island The Sakamoto Freshwater Crab is widely distributed in the Ryukyu Islands, including both the northern and central-southern regions of Okinawa Island, as well as on Amami Oshima, Tokunoshima, and Kikai Island. Among the freshwater crabs in the… Continue reading Sakamoto Freshwater Crab
Coconut Crab
Birgus latro Japanese Name: ヤシガニChinese Name: 椰子蟹English Name: Coconut CrabOrigin: Tropical islands along the Indian Ocean and Western Pacific coasts (though extinct on some islands). In Japan, they are found from the Amami Islands to the westernmost Yonaguni Island. Coconut crabs belong to the land hermit crab family. Juvenile coconut crabs carry shells like hermit… Continue reading Coconut Crab