Dasyatis uarnak   (Forsskal,  1775) (Fish)
Organism information awaits expert curation
Taxonomy
Kingdom:Animalia
Phylum:Chordata
Class: Elasmobranchii
Order:Rajiformes
Family:Dasyatidae

Image copyrights: The Nature Conservation and Aquatic Sciences Service

Description
Size: 425-480 mm

Weight: 72 kg

Color: Background color of upper surface ranges from brown to black, upon which is superimposed a variable matrix of lines which vary in color from cream to yellow; in embryos and juveniles there are alternating dark and light bands on the tail; ventral surface of disc whitish, often spotted with black.

Disc wider than long, rhomboidal; length of disc about 1.25 in its width. Snout slightly pointed. Head to hind border of spiracle about 3.3 in disc length. 4 skinny flaps on floor of mouth. Dental laminae undulating. Nasal curtain very finely fringed. Caudal spine serrated, situated above first sixth of tail. Tail long, whip-like, almost cylindrical without cutaneous folds. Tail about 2.5 times width of disc. Disc almost smooth except for a few rows of tubercles between eyes and on middle of back.

Remarks: Values in above description denote proportions.


Synonym (s)
Raja uarnak Forskal, 1775
Dasyatis uarnak Smith, 1949
Himantura uarnak Munro, 1955
Trygon uarnak Day, 1878
Dasyatis (Himantura) uarnak Misra, 1969

Common Name (s)
• Madi
• Thirandi
• Honeycombed Stingray (English)
• Sankush (Oriya)
• Shankar (Oriya)
• Puli Tenke (Telugu)
• Sona Kah Tirike (Tamil)
• Pulli Thirukkai (Tamil)
• Belya (Kannada)
• Bhatya (Marathi)
• Waghya Pakat (Marathi)
Economic Importance and Threats
Importance:  Commercial
(Fisheries)

Ecology
Habitat:  Pelagic, Reef Associated, Demersal

Biogeography


• Orissa, Chilika Lake (Lat: 19.77) (Long: 85.33) INDIA
• West Bengal, Digha Coast (Lat: 21.61) (Long: 87.53) INDIA
• East Coast INDIA
• Lakshadweep, Kalpeni INDIA
• Lakshadweep, Minicoy INDIA
• Red Sea
• Lakshadweep INDIA
• SEYCHELLES
• INDIA
• SRI LANKA
• Palk Bay INDIA
• Tamil Nadu, Gulf of Mannar INDIA
• Tamil Nadu INDIA (Record: 1998)
• Kerala INDIA (Record: 1998)
• Andaman and Nicobar Islands INDIA
• Tamil Nadu, Porto Novo INDIA

Literature Source(s)
  • Abbaasi, SA (1997) Wetlands of India-Ecology and Threats Discovery Publishing House,New Delhi II 1-182 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
  • Jones, S and Kumaran, M (1980) Fishes of the Laccadive Archipelago The Nature Conservation and Aquatic Sciences Service, Trivandrum, Kerala 760 pp 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
  • 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.
  • Rajaram, R; Srinivasan, M; Khan, SA and Kannan, L (2004) Ichthyofaunal diversity of great Nicobar Island, Bay of Bengal Journal of Indian fisheries association 31 13-26 Available at - NIO, Goa
  • 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
  • Devadoss, P (1984) Nutritive values of sharks, skates and rays from Portonovo coast Indian Journal of Fisheries 31 (1) 156-161 Available at - http://eprints.cmfri.org.in/440/

Page last updated on:2011-07-20

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