Palaemon concinnus Dana, 1852

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 : 267

Palaemon concinnus Dana, 1852

Palaemon concinnus Dana, 1852: 587 [type locality: Fiji Islands]. Palaemon concinnus – Holthuis, 1950: 61, Fig. 12; Chace & Bruce,

1993: 40; Cai & Ng, 2001: 686, Fig. 14f.

Material examined. – 5 males, cl 3.7-7.5 mm; 5 female, cl 2.7-5.8 mm; UR, Sungao River (downstream of Mabuhay River), Mindanao Island, Philippines, 25 Jul.1985 ; 5 females, cl 12-14 mm, UR, Iloilo city market, Panay Island , Philippines, 19 Aug.1985 ; 1 male, cl 7.5 mm, 5 females, cl 3.0- 3.7 mm, UR, Sta. Rosa , Luzon, Philippines, 15 Jul.1985 ; 1 female, cl 3.3 mm, 2 juv., UR, Sewaragan River , San Joaquin, Panay Island, Philippines, 19 Aug.1985 ; 11 males, cl 4.2- 4.7 mm, 2 ovig. females, cl 10.0- 10.5 mm, UR, Bororo River , Luzon Island, Philippines, 16 Jul.1985 .

Remarks. – The species is commonly found in brackish to freshwater in the lower reaches of rivers.

Distribution. – Palaemon concinnus has a wide distribution in the Indo-West Pacific, from South Africa, Indonesia, Philippines to Marshall Islands and Tuamotu Archipelago.