Atyid shrimps (Crustacea: Decapoda: Caridea) of the Ryukyu Islands, southern Japan, with descriptions of two new species Author Cai, Y. text Journal of Natural History 2006 2006-12-25 40 38 - 40 2123 2172 http://dx.doi.org/10.1080/00222930601084049 journal article 10.1080/00222930601084049 1464-5262 5232012 Atyoida pilipes ( Newport, 1847 ) Atya pilipes Newport, 1847 , p 160 [ type locality: Apia, Upoln, Navigator or Samoan group (see Chace 1983 )] Atyoida pilipes : Smith and Williams 1982 , p 345 (part); Chace 1983 , p 10 , figs.3–8; Shokita 2003, p 249, fig. 17D; 2006c, p 61; Cai et al. 2006, p 392, figs. 1–3. (For synonym, see Chace (1983) and Cai et al. (2006). Material examined Neotype of Caridina brevirostris : 1 male , cl 6.8 mm , NSMT , River Aritsu , Kume-Jima Island , Ryukyu Islands , coll. A. Kawakami , 8 December 1995 . Others: 2 males , cl 6.2– 7.1 mm , URB , Omija River , Iriomote Island , Ryukyu Islands , coll. T . Naruse , 1 August 1999 . Habitat Lower reaches of rivers and streams which discharge to the sea. Remarks Cai et al. (2006) recently designated neotypes for C. acuminata Stimpson 1860 from the Ogasawara (Bonin) Islands and Caridina brevirostris Stimpson 1860 from Kume Island, Ryukyus, and synonymized both species with Atyoida pilipes . Atyoida pilipes has been reported from the Philippines and eastern Lesser Sunda Islands at about 120 east longitude eastward through the Pacific high island ( Chace 1983 ). In Japan , it has been reported from Kume Island, Ishigaki Island ( Shokita 1979 ) Iriomote Island of the Ryukyu Islands ( Shokita 1997 ). Distribution West Pacific.