Caridina sumatrensis De Man, 1892

Shokita, Yixiong Cai Shigemitsu, 2006, Report On A Collection Of Freshwater Shrimps (Crustacea: Decapoda: Caridea) From The Philippines, With Descriptions Of Four New Species, Raffles Bulletin of Zoology 54 (2), pp. 245-270 : 246

Caridina sumatrensis De Man, 1892

( Figs. 6 C-F)

Caridina weberi var. sumatrensis De Man, 1892: 375 , Pl. 22 Fig. 23g [type locality: Deli, Sumatra, Indonesia]; Bouvier, 1925: 247, Fig. 567.

Material examined. – 1 male, cl 3.2 mm, UR, Santacruz River , Palawan Is., Philippines, 9 Aug.1985 ; 7 ovig. females, cl 4.0- 4.7 mm, Iraan River , Philippines, 5 Aug.1985 .

Remarks. – With 4-6 postorbital teeth, Caridina sumatrensis is very easy to be separated from other subspecies of C. weberi , it is regarded as distinct species here. This is the first record of the species from Philippines.

Distribution. – Sumatra, Malay Peninsula, Philippines.

Figures

Fig. 6. Caridina palawanensis, new species, male, cl 2.8 mm, ZRC, Panitian River, upper stream, ca 30 km from river mouth, Palawan Island, Philippines: A, male second pleopod; B, male first pleopod. Caridina sumatrensis, male, cl 3.2 mm, ZRC, Santacruz River, Palawan Island, Philippines: C, cephalothorax and cephalic appendages, lateral view; D, first pereiopod; E, second pereiopod; F, third pereiopod; G, preanal carina. Potamalpheops miyai, male, cl 3.0 mm, ZRC, Surigao mangrove, Mindanao Island, Philippines:H, cephalothorax and cephalic appendages, lateral view; I, second pereiopod; J, propodus and dactylus of third pereiopod; K, fifth pereiopod; L, uropodal diaeresis. Scale bars: A, B = 0.2 mm, C, H = 1 mm, D-G, I-L = 0.5 mm.