New distributional record of Discoplax rotunda (Quoy & Gaimard, 1824) (Decapoda: Brachyura: Gecarcinidae) from ground waters in Okinawa-jima Island, Ryukyu Islands, Japan
小林, 大純Kobayashi, Hirozumi
4 , 2018-03-23 , 琉球大学資料館 (風樹館) , Ryukyu University Museum, Fujukan
Two species of Discoplax land crabs, including Discoplax rotunda (Quoy & Gaimard, 1824), as well as additional specimens including three rare stygobiotic shrimps were collected from two anchialine ground water sites in Okinawa-jima Island, Ryukyu Islands, Japan. These findings represent the first record of D. rotunda from Okinawa-jima Island, and a new locality of Caridina rubella Fujino & Shokita, 1975 and Halocaridinides trigonophthalama (Fujino & Shokita, 1975) on the island.