Rhizoprionodon acutus   (Ruppell,  1837) (Fish)
Organism information awaits expert curation
Class: Elasmobranchii

Image copyrights: Ann Hecht

Size: 175 cm TL

Max. weight reported: 5,000 g

Color: Grey or grey-brown above, white below. Dorsal and anal fins with dusky or blackish edges, fins slightly darker than back.

Body slender and fusiform. Snout long and pointed; labial folds well developed, the lower shorter than the upper, equal to width of first gill slit. Origin of first dorsal fin usually slightly in advance of inner corner of pectoral fin; origin of second dorsal fin over posterior third of anal fin base to over anal fin axil.


Max. age reported: 8 years

Synonym (s)
Carcharhinus acutus (Ruppell, 1837)
(Senior synonym)
Carcharhinus macloti (non Muller & Henle, 1839)
(Misapplied name)
Carcharias aaronis Hemprich & Ehrenberg, 1899
(Junior synonym)
Carcharias acutus Ruppell, 1839
(Senior synonym)
Carcharias crenidens Klunzinger, 1880
(Junior synonym)
Carcharias eumeces Pietschmann, 1913
(Junior synonym)
Carcharias walbeehmi Bleeker, 1856
(Junior synonym)
Carcharias walbeehmii (Bleeker, 1856)
(Junior synonym)
Cynocephalus acutus (Ruppell, 1837)
(Senior synonym)
Hypoprion acutus Ruppell, 1837
(Junior synonym)
Loxodon macrorhinus (non Muller & Henle, 1839)
(Misapplied name)
Rhizoprionodon oligolinx (non Springer, 1964)
(Misapplied name)
Rhizoprionodon taylori (non Ogilby, 1915)
(Misapplied name)
Scoliodon acutus Ruppell, 1837
(Senior synonym)
Scoliodon laticaudus (non Muller & Henle, 1838)
(Misapplied name)
Scoliodon longmani Ogilby, 1912
(Junior synonym)
Scoliodon terra novae (non Richardson, 1836)
(Misapplied name)
Scoliodon vagatus Garman, 1913
(Junior synonym)
Scoliodon walbeehmi (Bleeker, 1856)
(Junior synonym)
Carcharias acutus Ruppell, 1837
Carcharias walbeehmii Bleeker: Day, 1878
Carcharias walbeehmi Day, 1889
Scoliodon walbeehmi Misra, 1969
Scolliodon walbechmii (Bleeker, 1856)
Scoliodon walbeemii (Bleeker, 1856)
Scoliodon palasorra (Bleeker, 1853)
Carcharias walbenii Bleeker, 1856

Common Name (s)
• Co-Sorrah (Tamil)
• Prisori (Marathi)
• Mushi (Marathi)
• Mori (Marathi)
• Balda (Marathi)
• Perum Sorrah (Malayalam)
• Kayaruketty Sravu (Malayalam)
• Eidah (Hindi)
• Pisori (Gujarati)
• Mooshi (Gujarati)
• Milk Shark (English)
• Grey Dog-Shark (English)
• Milk Dog Shark (English)
• Sandho (Gujarati)
• Pisori (Marathi)
• Palsravu (Malayalam)
• Pal Sorrah (Tamil)
• Kukka Sorrah (Telugu)
• Eidah (Oriya)
Economic Importance and Threats
Importance:  Commercial
(Fisheries; gamefish; meat utilized fresh and dried salted and for fish meal. Its flesh promotes lactation in women.)

Habitat:  Bentho Pelagic, Estuarine, Sandy, Coastal
Trophic Level:  Secondary Consumer
Prey:  Bony fishes, cephalopods, other invertebrates
IUCN Status:  Least Concern


• Kerala, Kochi INDIA (Record: 2000-2002)
• Tamil Nadu, Chennai INDIA
• Tamil Nadu, Gulf of Mannar INDIA
• Red Sea
• Tamil Nadu INDIA
• Kerala INDIA
• Andhra Pradesh INDIA
• Andaman and Nicobar Islands INDIA
• Gujarat INDIA
• Kerala, Kochi INDIA
• Gujarat, Veraval INDIA

Literature Source(s)
  • Joshi, KK; Balachandran, K and Raje, SG (2008) Changes in the shark fishery at Cochin Journal of the Marine Biological Association of India The Marine Biological Association of India, Cochin, India 50(1) 103-105 Available at - NIO, Goa
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at - http://www.marinespecies.org
  • Biodiversity explorer: The web of life in Southern Africa Available at - http://www.biodiversityexplorer.org/search.htm
  • Marine Biological Station, Chennai, Tamil Nadu (2003) Checklist of marine fauna of Tamil Nadu Department of Environment, Government of Tamil Nadu Available at - http://tnenvis.nic.in
  • Dr. Ramesh, R; Dr. Nammalwar, P and Dr. Gowri, VS (2008) Database on coastal information of Tamil Nadu Report Submitted to Environmental Information System (ENVIS) Centre, Department of Environment, Government of Tamil Nadu Institute for Ocean Management, Anna University, Chennai, Tamil Nadu. Available at - http://tnenvis.nic.in/PDF/coastal%20data.pdf
  • Talwar, PK and Kacker, RK (1984) Commercial sea fishes of India ZSI, Calcutta 997 pp Available at - NIO, Goa
  • Hanfee, F (1999) Management of shark fisheries in two Indian coastal states: Tamil Nadu and Kerala Case studies of the management of elasmobranch fisheries. FAO Fisheries Technical Paper. No. 378 Rome, FAO Part 1 (11) Available at - http://www.fao.org/docrep/003/X2097E/X2097E14.htm#ch11.
  • 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 - http://www.fao.org/docrep/009/ad468e/ad468e00.HTM
  • Ramani, K; Ammini, PL; Srinivasan, J; Najeemudeen, SH; Beena, MR; George, KP; Seynudeen, MB; Subbaraman, G; Anandan, K; Khambadkar, LL; Augustine, SK; Pugazhendi, D; Rudhramurthy, N; Subramani, S; Seetharaman, S; Batcha, HK and Sankaralingam, S (2010) An overview of marine fisheries in India during 2007 Marine Fisheries Information Service CMFRI, Kochi 203 1-14 Available at - NIO, Goa
  • Raje, SG; Sivakami, S; Mohanraj, G; Manoj Kumar, PP; Raju, A and Joshi, KK (2007) An atlas on the Elasmobranch fishery resources of India CMFRI Special publication CMFRI, Cochin, India. 95 253pp Available at - http://eprints.cmfri.org.in/4056/1/Special_Publn_95.pdf
  • (2003) IUCN Red list of threatened species Available at - http://www.iucnredlist.org/
  • Talwar, PK (1990) Fishes of Andaman and Nicobar Islands: A synoptic survey Journal of the Andaman Science Association Andaman Science Association, Port Blair 6(2) 71-102 Available at - NIO,Goa
  • Kizhakudan, SJ; Nair, KVS and Zala, MS Demersal Finfish Resources of Gujarat Sustainable fisheries development: Focus on Gujarat 57-66 Available at - http://eprints.cmfri.org.in/6060/
  • 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 - eprints.cmfri.org.in/3975/1/Special_Publication_No_12_Revised.pdf
  • Biswas, KP (2009) Fishes around Indian Ocean Dominant Fish Groups Occurring in Indian Coasts Daya publishing house Available at - NIO,Goa
  • Devaraj, M and Vivekanandan, E (1999) Marine capture fisheries of India: Challenges and Opportunities Current Science Current Science Association 76(3) 314-333 Available at - http://eprints.cmfri.org.in/6115/1/509.pdf

Page last updated on:2012-03-13

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