Rhinobatos thouiniana   (Shaw)  1804 (Fish)
Organism information awaits expert curation
Taxonomy
Kingdom:Animalia
Phylum:Chordata
Class: Elasmobranchii
Order:Rajiformes
Family:Rhinobatidae

Description
Size: 28-93 cm TL

Color: Body gray above, whitish below.

Snout rather long, expanded at tip, its margins distinctly concave; rostral ridges narrow, expanded anteriorly, ridges close together anteriorly. Eye 5.5 to 8.7 times in snout length. Mouth nearly straight, its width 2.7 times in preoral distance, 2.1 times in internarial distance. Nostrils wide, oblique, their length about 1.3 times in width of mouth, 2.0 in internarial distance; anterior nasal flap extending beyond level of inner end of nostril. Spiracles nearly equal to eyes; skinny folds on posterior margin feebly developed. Back with somewhat enlarged tubercles, also on scapular region and top of head; a row of strong spines in median line of back.


Synonym (s)
Raja thouiniana Shaw, 1804
(Senior synonym)
Rhinobatos thouiniana (Shaw) 1804
(Senior synonym)
Raja thouiniana Shaw 1804
Rhinobatos thouini (Lacepede) : Day 1878
Rhinobatos thouin (Anonymous) : Misra 1969

Common Name (s)
• Shaws Shovelnose Guitarfish (English)
• Lanj (Marathi)
Economic Importance and Threats
Importance:  Commercial
(Fisheries)

Ecology
Habitat:  Demersal

Biogeography


• Gujarat, Gulf of Kachchh (Lat: 22.6) (Long: 69.5) INDIA
• Andhra Pradesh, Vishakhapatnam INDIA (Record: 00/10/1999-00/11/2000)
• Tamil Nadu, Chennai INDIA (Record: 2003)
• Tamil Nadu, Gulf of Mannar INDIA (Record: 2003)
• INDIA (Record: 1984)
• Kerala INDIA

Literature Source(s)
  • Subba Rao, NV and Sastry, DRK (2005) Fauna of Marine National Park, Gulf of Kuchchh (Gujarat) ZSI 79 pp Available at - NCL, Pune
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at - http://www.marinespecies.org
  • Froese, R and Pauly, D (2000) Fishbase 2000: Concepts, design and data sources ICLARM 344 pp Available at - http://www.fishbase.org
  • Sujatha, K (2002) Batoid fishes off Visakhapatnam, north east coast of India Journal of the Marine Biological Association of India The Marine Biological Association of India, Cochin 44(1 & 2) 155-162 Available at - NIO, Goa
  • 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
  • Bijukumar, A and Deepthi, GR (2009) Mean trophic index of fish fauna associated with trawl bycatch of Kerala, southwest coast of India Journal of the Marine Biological Association of India The Marine Biological Association of India, Cochin 51(2) 145 - 154 Available at - NIO, Goa

Page last updated on:2011-01-24

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