@article{oai:u-ryukyu.repo.nii.ac.jp:02019452, author = {大澤, 正幸 and Osawa, Masayuki and 藤田, 喜久 and Fujita, Yoshihisa}, journal = {Fauna Ryukyuana}, month = {Sep}, note = {Polyonyx haigae McNeil, 1968, a poorly known species of the porcellanid genus Polyonyx Stimpson, 1858, is recorded for the first time from Japanese waters based on material collected from Oura Bay in Okinawa Island of the Ryukyu Islands, southwestern Japan. This represents the third record of the species and extends the distribution range more northward and eastward than the previous record from the Nansha Islands in the South China Sea. The present two specimens occurred as a heterosexual pair in a tube of an unidentified species of the polychaete genus Chaetopterus Cuvier, 1830. This symbiotic habit has been also known for many of the other species of the P. sinensis group to which P. haigae belongs., 沖縄島の大浦湾から採集された標本に基づき , ヤワゲヤドリカニダマシ ( 新称 ) Polyonyx haigae McNeil, 1968 を報告し , 詳細に記載した . 沖縄島の標本は , 本種の日本沿岸からの初記録 , そして西太平洋域からの 3 番目の記録となる . 本種は , ツバサゴカイ属 Chaetopterus の未同定種の棲管中から雌雄 1 対で得られた . ツバサゴカイ属の種との共生は , 本種が属する P. sinensis 種群の他の多くの種においても知られている .}, pages = {41--51}, title = {Polyonyx haigae McNeil, 1968 (Crustacea: Decapoda: Anomura: Porcellanidae) from the Ryukyu Islands, southwestern Japan}, volume = {65}, year = {2022} }