Macrobrachium equidens   (Dane,  1852) (Shrimp)
Organism information awaits expert curation
Class: Malacostraca

Image copyrights:

Max. size: 98 mm TL.

Color: Translucent, marbled or spotted with greyish, greenish or reddish. Second pair of pereopods, and especially the palms, marbled with dark brownish (tortoise shell-like).

Rostrum reaching nearly upto or beyond the distal end of antennal scale, dorsal margin convex or slightly sinuous, rostral formula: 2-4 + 7-9/4-7, dorsal teeth unequally spaced, usually with wider gaps near posterior and anterior end of series. Branchiostegal suture not extending posteriorly beyond hepatic spine. Telson with posterior apex not over-reaching posterolateral spines. 1st pereopods with chela 1/2 as long as carpus. 2nd pereopods subequal in length, similar in form, palm subcylindrical, fingers covered with soft, dense pubescence, not dentate on opposable margins, not gaping (in full-grown males), about 3/4 as long as palm, latter completely naked, without pubescence, chela longer than carpus, palm 2/3 -3/4 as long as carpus, carpus 1 2/3 -1 3/4 as long as merus, without longitudinal grooves. 3rd pereopods over-reaching antennal scale by length of dactyle, propodus partially pubescent, not covered with spines or scales.

Synonym (s)
Palaemon (Eupalaemon) acanthosoma Nobili, 1899
Palaemon (Eupalaemon) nasutus Nobili, 1903
Palaemon (Eupalaemon) sundaicus var. bara De Man, 1902
Palaemon (Eupalaemon) sundaicus var. brac Nobili, 1899
Palaemon sulcatus Henderson & Matthai, 1910
Palaemon sundaicus Kemp, 1918
Palaemon sundaicus var. bataviana De Man, 1897
Macrobrachium equidens Holthuis, 1950
Palaemon acanthosoma Nobili, 1899
(Junior synonym)
Palaemon delagoae Stebbing, 1915
(Junior synonym)
Palaemon equidens Dana, 1852
(Senior synonym)
Palaemon nasutus Nobili, 1903
(Junior synonym)
Urocaridella borradailei Stebbing, 1923
(Junior synonym)
Palaemon sundaicus bataviana De Man, 1897
Palaemon (Eupalaemon) sundaicus brachydactyla Nobili, 1899
Palaemon (Eupalaemon) acanthosoma Nobili, 1899
Palaemon (Eupalaemon) sundaicus baramensis De Man, 1902
Palaemon (Eupalaemon) nasutus Nobili, 1903

Common Name (s)
• Rough River Prawn (English)
Economic Importance and Threats
Importance:  Commercial

Habitat:  Demersal, Estuarine


• West Bengal, Sagar Island (Lat: 21.72) (Long: 88.1) INDIA
• West Bengal, Digha Coast (Lat: 21.61) (Long: 87.53) INDIA
• West Bengal, Kakdwip INDIA (Record: 11/11/1982)
• West Bengal, Fraserganj INDIA (Record: 20/12/1983)
• West Bengal, Patharpratima, Rashaskhali INDIA (Record: 15/04/1984)
• West Bengal, Sagar Island, Chemaguri INDIA (Record: 10/09/1984)
• West Bengal, Sudhanyakhali INDIA (Record: 17/04/1985)
• West Bengal, Netidhopani INDIA (Record: 20/04/1985)
• West Bengal, Gosaba INDIA (Record: 23/04/1985)
• West Bengal, Sandeshkhali INDIA (Record: 18/06/1986, 12/06/1988)
• West Bengal, Hingalganj, Nazat INDIA (Record: 19/06/1986)
• West Bengal, Canning, Belekhali INDIA (Record: 17/03/1987)
• West Bengal, Mathurapur, Raidighi INDIA (Record: 03/07/1987)
• East Coast, Coromandel, Pulicat Lake INDIA (Record: 1997-1998)
• West Coast, Malabar INDIA
• Kerala INDIA
• Kerala, Kochi Backwaters INDIA (Record: 11/1990-01/1991)
• Kerala, Kochi Backwaters INDIA (Record: 1969)
• Karnataka INDIA (Record: 2001-2007)
• Kerala, Kochi Backwaters INDIA
• West Bengal, South 24 Parganas INDIA
• West Bengal, Medinipur INDIA
• West Bengal INDIA

Literature Source(s)
  • Jayachandran, KV and Joseph, NI (1985) A new species of Macrobrachium from the south-west coast of India (Decapoda: Palaemonidae) Journal of Natural History 19(1) 185-190 Available at - NCL, Pune (ASFA Records)
  • Ramakrishna; Sarkar, J and Talukdar, S (2003) Marine invertebrates of Digha coast and some recomendations on their conservation Records of the Zoological Survey of India ZSI, Kolkata 101(3-4) 1 Available at - NCL, Pune
  • Chace, FA Jr. and Bruce, AJ (1993) The caridean shrimps (Crustacea: Decapoda) of the Albatross Philippine Expedition, 1907-1910, part 6: Superfamily Palaemonoidea Smithsonian Institution Press, Washington, D. C 543 152 pp Available at - NIO, RC, Kochi
  • Goswami, BCB (1992) Marine fauna of Digha coast of West Bengal, India Journal of Marine Biological Association of India The Marine Biological Association of India, Cochin 34 115-137 Available at - NIO, RC Kochi
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -
  • Sealifebase Available at -
  • Reddy, KN (1995) Prawns and shrimps (Crustacea: Decapoda) Estuarine ecosystem series, Part 2: Hugli Matla Estuary ZSI, Calcutta 289-314 Available at - NIO, Goa
  • Raj, PJS, Tilak, JL and Kalaimani, G (2002) Experiments in restoration of benthic biodiversity in Pulicat Lake, south India Journal of the Marine Biological Association of India The Marine Biological Association of India, Cochin 44(1 & 2) 37-45 Available at - NIO, Goa
  • Holthuis, LB (1980) FAO species catalogue. Vol. 1 Shrimps and prawns of the world. An annotated catalogue of species of interest to fisheries FAO Fisheries Synopsis - S125Vol.01 FAO, Rome 1 1-271 Available at -
  • Available at -
  • Sebastian, A and Jayachandran, KV (1996) Investigations for confirming the status of two populations of Macrobrachium equidens (Dana) (Palaemonidae). II. Length-weight relationship and meristic studies Journal of the marine biological association of India The marine biological association of India 38(1&2) 101-105 Available at - NIO, Goa
  • Fischer, W and Bianchi, G (Eds.) (1984) FAO species identification sheets for fishery purposes. Western Indian Ocean (Fishing Area 51) FAO, Rome 5 Available at -
  • Mohamed, KH and Rao, PV (1971) Estuarine phase in the life history of the commercial prawns of the west coast of India Journal of the Marine Biological Association of India Marine Biological Association of India 13(2) 49-161 Available at -
  • Dineshbabu, AP; Durgekar, RN and Zacharia, PU (2011) Estuarine and marine decapods of Karnataka inventory Fishing Chimes Mr.J.V.H. Dixitulu 30 (10-11) 20-24 Available at -
  • Sundaram, KS; Sarvesan, R; Mohamed, KH and Shanbhogue, SL (1969) Catalogue of molluscs, prawns, stomatopods and marine algae in the reference collections of the central marine fisheries research institute Bulletin Of Central Marine Fisheries Research Institute CMFRI, Cochin 9 1-52 Available at -
  • George, MJ (1969) Taxonomic considerations and General distribution Prawn fisheries of India Bulletin Of Central Marine Fisheries Research Institute CMFRI, Cochin 14 5-48 Available at -
  • Roy, MK (2010) Diversity and Distribution of Crustacea Fauna in wetlands of West Bengal Journal of Environment and Sociobiology Social Environmental and Biological Association, Kolkata, India 7(2) 147-187 Available at - NIO,Goa
  • Kurian, CV and Sebastian, VO (2002) The Indian prawns of commercial importance Prawns and prawn fisheries of India Hindustan publishing corporation 74-96 Available at - NIO, Goa
  • Roy, MKD and Nandi, NC (2004) Crustacean fishery resources of coastal West Bengal and their conservation issues Journal of Environment and Sociobiology Social Environmental and Biological Association, Kolkata, India 1(1&2) 71-80 Available at - NIO, Goa
  • Pillai, PKM and Augustine, SK (2000) A code list of common marine living resources of the Indian seas CMFRI Special Publication No.12 CMFRI 1-115 Available at -
  • Chatterjee, TK; Husain, A and Mitra S (2007) Faunal diversity in prawns and crabs in Digha and adjacent coast in West Bengal with notes on the relationship of their abundance with physico-chemical parameters Journal of the Bombay Natural History Society 104(3) 311-315 Available at - NIO, Goa

Page last updated on:2012-02-03

Back to Search