Caridina leucosticta 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 : 2137-2138

Caridina leucosticta Stimpson, 1860

Caridina leucosticta Stimpson, 1860, p 97 [type locality: Simoda , Japan]

Caridina leucosticta: Kamita 1963, p 9 , fig. 9; Shokita and Nishijima 1977, p 189; Hayashi 1989c, p 230; Shokita 2003, p 249, figs. 18C, 19G, 20J; Shokita et al. 2002b, p 76; 2003b, p 117; Cai et al. 2006, p 401, figs. 7–10. (see Cai et al. (2006) for synonyms)

Material examined

Neotype: ovigerous female, cl 7.7 mm, NSMT (NIES-Iz-1), 138 ° 56.439E 34 ° 41.839N, Inouzawa River , freshwater, lotic, EC 134, Shimoda City, Izu Peninsula, coll. K. Satake, 10 Aug 2004. Others: one male, cl 4.4 mm, 1 female, cl 6.3 mm, 2 ovigerous females, cl 5.8–5.9 mm, ZRC, Okuma River , Okinawa Island , Ryukyu Islands , 31 June 1998; 14 males, cl 3.5–3.9 mm, 1 female, cl 4.0 mm, 7 ovigerous females, cl 4.5–5.8 mm, ZRC 2004.0530 , 128 ° 02.489E 26 ° 33.489N, freshwater stream draining to a small patch of mangrove, Oura River , Okinawa Island , Ryukyu Islands , coll. Y. Cai et al., 11 June 2000; 5 males, cl 3.0–4.0 mm, 20 females, cl 4.5–5.2 mm, 19 January 1975, Yona River , Okinawa Island , Ryukyu Islands ; 1 male, cl 4.8 mm, Aritsu River , Kume-Jima, Ryukyu Islands , coll. A. Kawakami, 8 December 1995; 1 male, cl 4.3 mm, 5 ovigerous females, cl 5.5–6.2 mm, ZRC 2004.0531 , 128 ° 07.049E 26 ° 36.619N, Arume River , Okinawa Island , Ryukyu Islands , coll. Y. Cai, N. K. Ng, T. Naruse and S. Islam, 11 June 2000; 1 male, cl 3.8 mm, 1 ovigerous female, cl 6.5 mm, ZRC, 123 ° 52.809E 24 ° 16.649N, shallow freshwater stream of Aira River , Iriomote Island , Ryukyu Islands , coll. Y. Cai, N. K. Ng and T. Naruse, 14 June 2000; 9 males, cl 3.0– 4.2 mm, 12 ovigerous females, cl 4.7–6.5 mm, ZRC 2004.0532 , 123 ° 52.749E 24 ° 16.609N, shallow freshwater stream, downstream of Aira River , Iriomote Island , Ryukyu Islands , coll. Y. Cai, N. K. Ng and T. Naruse, 14 June 2000; 7 males, cl 3.1–3.5 mm, 7 ovigerous females, cl 4.4–4.9 mm, ZRC 2004.0533 , 123 ° 51.299E 24 ° 18.399N, downstream from the headwater of Nakama River , Iriomote Island , Ryukyu Islands , coll. Y. Cai, N. K. Ng and T. Naruse , 15 June 2000; 6 males, cl 4.2–4.7 mm, 8 females, cl 5.8–6.4 mm, 15 ovigerous females, cl 5.8–6.3 mm, ZRC 2004.0534 , fast flowing water, upper part of Omija River , Iriomote Island , Ryukyu Islands , coll. Y. Cai and T. Naruse , 15 June 2000; 3 males, cl 2.4–3.9 mm, 8 females, cl 4.6– 6.4 mm, 1 ovigerous female, cl 5.7 mm, ZRC 2004.0535 , upper Hiji fall, Hiji River , Okinawa Island , Ryukyu Islands , 4 November 1987; 3 females, cl 5.0– 5.9 mm, URB1750 , no data; 1 ovigerous female, cl 5.7 mm, URB1221 , Kawauchi-gawa River , Amami-Ohshima Island, Ryukyu Islands , coll. M. Takeda, 15 July 1988; 1 female, cl 3.0 mm, Kanyu-gawa River , Amami-ohshima , Ryukyu Islands , coll M. Takeda, 16 July 1988; 4 males, cl 4.4–5.0 mm, 6 ovigerous females, cl 6.6–6.8 mm, URB1111 , Kawauchi-gawa River , Amami-oshima , Ryukyu Islands , coll M. Takeda, 18 July 1988; 1 ovigerous female, cl 6.2 mm, URB1219 , Kawauchi-gawa River , Amami-ohshima, Ryukyu Islands, 18 July 1988.

Habitat

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

Remarks

Cai et al. (2006) recently designated a neotype for C. leucosticta Stimpson, 1860 and redescribed it in detail.

Distribution

Caridina leucostica has only been reported with certainty from Japan thus far (Cai et al. 2006).