Caridina poso sp. nov. Morphology 1. ♂, cl. 2.7 mm, ZMB 29766 A cephalothorax and cephalic appendages D preanal carina E uropodal diaeresis F, G telson; paratype ♂, cl. 2.7 mm, ZMB 29624 B rostrum H scaphocerite I mandible J maxillula K maxilla L first maxilliped M palp of first maxilliped; paratype ov. ♀, cl. 3.4 mm, MZB Cru 5051 C Rostrum. Scale bars: 1 mm (A–C, F, H, I); 0.5 mm (D, E, G, J–L); 0.1 mm (M).