Macrobrachium rosenbergii rosenbergii ( De Man, 1879 )

Cai, Yixiong, Choy, Satish & Ng, Peter K. L., 2009, Epigean And Hypogean Freshwater Shrimps Of Bohol Island, Central Philippines (Crustacea: Decapoda: Caridea), Raffles Bulletin of Zoology 57 (1), pp. 65-89 : 85

Macrobrachium rosenbergii rosenbergii ( De Man, 1879)

Palaemon Rosenbergii De Man, 1879: 167 [type locality: Andai , New Guinea (Irian Jaya), Indonesia].

Palamon carcinus rosenbergi – Ortmann, 1891: 701.

Palaemon (Eupalaemon) carcinus – De Man, 1902: 763 (not Cancer carcinus Linnaeus, 1758 ).

Macrobrachium rosenbergii – Holthuis, 1950: 111 (part); Johnson, 1960: 260, Fig. 1 ; Chace & Bruce, 1993: 36, Fig. 15; Short, 2004: 44, Fig. 16 (part).

Macrobrachium rosenbergii rosenbergii – Johnson, 1973: 277; Holthuis, 1995: 148; Cai & Ng, 2001: 674; Cai & Shokita, 2006a: 263.

Material examined. – One dried male, cl 103 mm, ZRC 2000.2407 , purchased from a fishermen who collected from the Loboc River in the 1980s Y. Cai, 19 Dec.2000 ; 1 molted cast, 2 juveniles, coll. Y. Cai et al., Loboc River , Loboc, 19 Dec.2000 .

Remarks. – Only one molted cast and two juveniles are available for the presnt study. Judging by the form of the rostrum of the larger specimen, which is only slightly beyond the end of scaphocerite and has a rostral formula as 2+11/9. It apparently belongs to the eastern subspecies, i.e. Macrobrachium rosenbergii rosenbergii .

Figures

Fig. 1. Map of the Bohol Island, Philippines, showing the collection sites.