Rhinobatos annandalei   Norman,  1926 (Fish)
Organism information awaits expert curation
Taxonomy
Kingdom:Animalia
Phylum:Chordata
Class: Elasmobranchii
Order:Rajiformes
Family:Rhinobatidae

Image copyrights: Iranian Fisheries Research Organization (IFRO)

Description
Size: 85-205 cm TL

Color: Body grayish brown, with indistinct marblings of darker shade and with numerous obscure, round, whitish spots; white ventrally.

Nostrils oblique, internarial space smaller than nostril length. Mouth horizontal. Eye about 3.7 times in snout length, equal to interorbital width. Spiracles with two distinct papillae. Snout short and blunt, preorbital length 2.4 times distance between spiracles. Nostrils less than double the mouth width. Dorsal side of the body smooth. Small orbital tubercles present. A line of tubercles in the middle of the body starting at the end of the cranium and finishing in the tail.

Dioecious, internal (oviduct) fertilization, internal live bearers. Exhibit ovoviparity (aplacental viviparity), with embryos feeding initially on yolk, then receiving additional nourishment from the mother by indirect absorption of uterine fluid enriched with mucus, fat or protein through specialized structures.


Synonym (s)
Rhinobatos columnae (nec Bonaparte) Day, 1888
Rhinobatos annandalei Norman, 1926
(Senior synonym)
Rhinobatus annandalei Norman, 1926
(Senior synonym)
Rhinobatos annandalei Misra, 1969

Common Name (s)
• Annandale's Shovelnose Ray (English)
Economic Importance and Threats
Importance:  Commercial
(Fisheries; meat of this species is consumed in fresh form)

Ecology
Habitat:  Demersal, Estuarine
Trophic Level:  Tertiary Consumer
Prey:  Harpodon nehereus, sciaenids, Trichiurus spp. Priacanthus hamrur, prawns and Squilla.

Biogeography


• Andhra Pradesh, Vishakhapatnam INDIA (Record: 10/1999-11/2000)
• SRI LANKA (Record: 10/1991-12/1993)
• West Bengal, Off Hugli River Mouth INDIA (Record: 1984)
• Kerala INDIA
• North West Coast INDIA
• SRI LANKA
• West Bengal (Lat: 21.45) (Long: 87.9) INDIA

Literature Source(s)
  • 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
  • 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
  • Moron, J; Bertrand, B and Last, P (1998) A check-list of sharks and rays of western Sri Lanka Journal of the Marine Biological Association of India The Marine Biological Association of India, Cochin 40(1&2) 142-157 Available at - NIO, Goa
  • 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
  • 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
  • Das, P; De, SP; Bhowmik, RM; Pandit, IK; Sengupta, R; Nandi, AC; Thakurta, SC and Saha, S (2007) Piscine diversity of West Bengal Fishing chimes 27(5) 15-28 Available at - NIO, Goa

Page last updated on:2012-01-02

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