Macrobrachium sp.

Mandal, Sudipta & Deepa, J., 2021, Freshwater Decapods of Godavari River, Bhadrachalam, Telangana, Records of the Zoological Survey of India 121 (1), pp. 39-45 : 42

5. Macrobrachium sp. ( Figure 3E )

Material examined: FBRC / ZSI /INV/1779, 7 ex., Godavari River , KTPS intake well, Burgampahad , Bhadradri Kothagudem dist .

Diagnosis: Rostral formula, rostrum straight, all teeth placed evenly in dorsal side, rostrum reaches up to the end of the 3rd segment of peduncle and extends beyond the half of the antennal scale; antennal and hepatic spine present, carapace rough in the anterior portion, smooth in the posterior portion; 1st cheliped long slender; 2nd cheliped larger than 1st cheliped, palm longer than fingers, not densely pubescence, with longitudinal groove; 3rd to 5th periopods similar in structure with simple dactylus; abdomen smooth; telson with 2 pairs of dorsal movable spines and 2 pairs of posterior spines with 14-18 plumose setae, posterior apex not reaching about to level of tips of longer posteriolateral spines; Uropods are exceeding tip of telson, mobile mesial spine of exopod of uropod is large and as large as the distolateral tooth.

Remarks: These specimens from the Godavari River are here referred to Macrobrachium sp. , and it has a few resemblances with the congeners Macrobrachium andamanicum and Macrobrachium aemulum ( Nobili 1906) ( Tiwari, 1952) . Further investigation is in progress.

Figures

Figure 3. A. Caridina fernandoi Arudpragasam & Costa, 1962; B. Caridina shenoyi Jalihal & Sankolli 1984; C. Macrobrachium malcolmosonii malcolmsonii (H. M. Edwards, 1844); D. Macrobrachium lamarrei lamarrei (H. M. Edwards, 1837); E. Macrobrachium sp.; F. Barytelphusa cunicularis (Westwood in Sykes, 1836).