Caridina multidentata Stimpson, 1860

Cai, Y., 2006, Atyid shrimps (Crustacea: Decapoda: Caridea) of the Ryukyu Islands, southern Japan, with descriptions of two new species, Journal of Natural History 40 (38 - 40), pp. 2123-2172 : 2138-2139

Caridina multidentata Stimpson, 1860

Caridina multidentata Stimpson, 1860, p 98 [type locality: Ogasawara (Bonin) Islands , Japan].

Caridina multidentata: Chace 1997, p 16 .

Caridina japonica De Man, 1892b, p 261 , pl. IX, figs. 7, 8 [type locality: Kagar , Hayagana, Japan].

Caridina japonica: Kamita 1963, p 8 , fig. 7; Shokita and Nishijima 1977, p 189; Hayashi 1989c, p 229, fig. 166a–h; Shokita 2003, p 250, figs. 18H, 19B, 20I; Shokita et al. 2002b, p 76; 2003b, p 117; Cai et al. 405, figs. 11, 12. (See Cai et al 2006 for synonym).

Material examined

Neotype: ovigerous female, cl 8.8 mm, NMST, from a stream in Tenno-ura, Chichi Jima Island, Ogasawara Islands, coll. K., Satake, 4 May 2000. Lectotype of Caridina japonica De Man, 1892b , ZMA De 102876, Japan, coll. J. Anderson, 1881, 4 males, cl 7.8–8.2 mm, paralectotype of Caridina japonica De Man, 1892b , data same as lectotype; 1 male, cl 8.8 mm, paralectotype, MNHN-Na 731, Kagar, Hayagana, Japan. Others: 1 female, cl 9.9 mm, NMST 1745, no data; 1 male, cl 7.5 mm, NMST 1121, upper part of Kawauchigawa River, Amami-oshima Island, Ryukyu Islands, coll M. Takeda, 15 July 1988; 1 ovigerous female, cl 7.9 mm, NMST 1754, Shino-Kawa River, Amami-oshima Island, Ryukyu Islands, coll. M. Takeda, 17 July 1988; 1 male, cl 8.3 mm, 2 ovigerous females, cl 7.3–9.8 mm, ZRC 2004.0537, Omija River, Iriomote Island, Ryukyu Islands, coll. T. Naruse, 1 August 1999; 1 ovigerous female, cl 8.2 mm, NMST, Amami-ohshima Island, Ryukyu Islands, 29 July 1992; 1 male, cl 16 mm, 2 ovigerous females, cl 10–12 mm, ZRC, 128 ° 15.319E 26 ° 39.949N, Arakawa River, Okinawa Island, Ryukyu Islands, coll. Y. Cai, N. K. Ng, T. Naruse and S. Islam, 11 June 2000; 1 female, cl 4.9 mm, ZRC, fast flowing water, upper part of Omija River, Iriomote Island, Ryukyu Islands, coll. Y. Cai and T. Naruse, 15 June 2000; 1 female, cl 9.5 mm, 2 ovigerous females, cl 6.2–9.8 mm, ZRC.2004.0539, Taiho River, Okinawa Island, Ryukyu Islands, coll. P. K. L. Ng et al., 31 May 1998; 1 female, cl 4.9 mm, ZRC 2004.0538, fast flowing water, upper part of Omija River, Iriomote Island, Ryukyu Islands, coll. Y. Cai and T. Naruse, 15 June 2000.

Habitat

Lower reaches of rivers and streams which discharge to the sea.

Remarks

Cai et al. (2006) recently designated a neotype for C. multidentata Stimpson, 1860 from Ogasawara (Bonin) Islands and synonymized C. japonica De Man, 1892 with it.

Distribution

Caridina multidentata has been reported from Japan, Taiwan ( Hung et al. 1993), Fiji ( Choy 1991) and Madagascar ( Holthuis 1965).