Macrobrachium lamarrei (H. Milne Edwards, 1837)

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

4. Macrobrachium lamarrei (H. Milne Edwards, 1837)

( Figure 3D )

1837. Palaemon lamarrei : H. Milne Edwards, Hist. Nat. Crustacea, 2: 397.

2013. Macrobrachium lamarrei : Valarmathi & Raghunathan, State Fauna Series, 21: 69.

Material examined: FBRC / ZSI /INV/1722, 6 ex., Godavari River , intake well ITC, Iravandi, Khammam dist. ; FBRC / ZSI /INV/1725, 14 ex., Godavari River , KTPS intake well, Burgampahad , Bhadradri Kothagudem dist .; FBRC / ZSI /INV/1726, 7 ex., Godavari River , Bathing ghat, Bhadrachalam, Bhadradri Kothagudem dist .; FBRC / ZSI / INV/1727, 4 ex., Kinnerasani confluence, Burgampahad, Bhadradri Kothagudem dist .

Diagnosis: Rostral formula; dorsally 1-2 sub distal teeth present with a distinct gap, rest are evenly placed, longer than both 3rd segment of peduncle and the antennal scale; antennal spine and hepatic spine present; 1st chelipeds slender, equal and extending the tip of the antennal scale by chela; 2nd chelipeds equal, slender, chela longer than half but shorter than 3/4th of carpus, palm longer than fingers and with equal thickness; 3rd to 5th periopods similar in structure with simple dactylus; abdomen smooth; endopod of the 2nd pleopod elongated with a pointed end, appendix masculine as long as endopod and 2.3 times longer than appendix interna; posterior margin of telson with ‘T’ shaped pointed median end, 1-2 pairs of setae; uropods exceeding tips of telson, mobile mesial spine of exopod is absent.

Distribution: India- Bihar, Karnataka, Maharashtra, Manipur, Odisha, Rajasthan, Tamil Nadu, West Bengal, Telangana.

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).