Chiloscyllium griseum   Muller & Henle,  1838 (Fish)
Organism information awaits expert curation
Taxonomy
Kingdom:Animalia
Phylum:Chordata
Class: Elasmobranchii
Order:Orectolobiformes
Family:Hemiscylliidae

Image copyrights: Biodiversity Institute of Ontario

Description
Size: 74.0 cm TL (male)

Color: Light brown, yellow-brown or grey-brown above, cream below, with 12-13 prominent saddle marks in young, fading with growth and absent in adults. Dark bands in juveniles.

A small shark; body moderately stout, without lateral ridges; precaudal tail moderately stout, longer than trunk. Snout broadly rounded; 5 small gill slits; spiracles large and below eyes; eyes elevated, with a low supraorbital ridge above them, without nictitating eyelids; nostrils with short barbels, nasoral grooves, and circumnarial grooves; mouth small, transverse:, and well in front of eyes; teeth small, similar in both jaws, with a single small cusp. Two dorsal fins, slightly smaller than pelvic fins and without attenuated, projecting free rear tips; origin of first dorsal fin varying from over last third of pelvic fin bases to over pelvic fin insertions; second dorsal fin almost as large as first; anal fin long, low arid broadly rounded, with its origin behind free rear tip of second dorsal fin and with its insertion at lower caudal fin origin; caudal fin strongly asymmetrical, with a pronounced caudal subterminal notch but without a ventral lobe, its length less than 1/3 length of rest of shark. Caudal peduncle cylindrical, without keels or precaudal pits. Intestinal valve of ring type.

Dioecious, internal (oviduct) fertilization, nonguarders, open water/substratum egg scatterers. Oviparous, deposits eggs in small, oval eggs cases on the bottom. Paired eggs are laid. Embryos feed solely on yolk. Distinct pairing with embrace. During copulation observed in captivity, the male bites the female's pectoral fin in a side-to-side position.


Synonym (s)
Chiloscyllium hasselti (non Bleeker, 1852)
(Misapplied name)
Chiloscyllium indicum var. obscurum Ogilby, 1888
(Ambiguous synonym)
Chiloscyllium obscurum Gray, 1851
(Ambiguous synonym)
Chiloscyllium plagiosum (non Anon, 1830)
(Misapplied name)
Chiloscyllium punctatum (non Muller & Henle, 1838)
(Misapplied name)
Hemiscyllium griseum (Muller & Henle, 1838)
(Senior synonym)
Hemiscyllium griseus (Muller & Henle, 1838)
(Senior synonym)
Scyliorhinus unicolor Blainville, 1816
(Ambiguous synonym)
Scyllium griseum (Muller & Henle, 1838)
(Ambiguous synonym)
Chiloscyllium grisium Muller & Henle, 1838
(misspelling)
Hemiscyllium griseurm (Muller & Henle, 1838
(misspelling)

Common Name (s)
• Banded Dogfish (English)
• Black Banded Cat Shark (English)
• Blackbanded Shark (English)
• Grey Bamboo Shark (English)
• Ettee (Malayalam)
• Karungan Sravu (Malayalam)
• Baravla (Marathi)
• Corungum Sorrah (Tamil)
• Kurangu Sorrah (Tamil)
• Cat Shark (English)
• Blackbanded bamboo shark (English)
• Ridge-back cat-shark (English)
• Dogfish (English)
• Udumban Sravu (Malayalam)
• Bakhi Sorrah (Telugu)
• Bakhi Sorrah (Oriya)
Economic Importance and Threats
Importance:  Commercial
(Fisheries, utilized as a food fish.)
Threats:  Anthropogenic
(Threatened by overfishing, destructive fishing practices and habitat modification, including the damage and destruction of coral reefs throughout much of its range.)

Ecology
Habitat:  Reef Associated, Demersal, Estuarine
Trophic Level:  Secondary Consumer
Prey:  Small fish, shrimps, worms, molluscs, crabs and invertebrates

Biogeography


• Maharashtra, Alibag INDIA
• Kerala, Kochi INDIA (Record: 2000-2002)
• Tamil Nadu, Gulf of Mannar INDIA
• Tamil Nadu, Chennai Coast INDIA
• Tamil Nadu INDIA
• Kerala INDIA
• INDIA
• Tamil Nadu, Mandapam INDIA
• West Bengal, Kiagoria INDIA (Record: 1981-1982)
• West Bengal, Digha Ghole (Lat: 87.53) (Long: 21.61) INDIA (Record: 1981-1982)
• Tamil Nadu, Kovalam INDIA
• West Bengal (Lat: 21.45) (Long: 87.9) INDIA
• East Coast INDIA
• Kerala, Kochi Fisheries Harbour INDIA (Record: 01/2008-06/2009)

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
  • Barcode of life data systems: Advancing species identification and discovery through the analysis of short, standardized gene regions. Available at - http://www.barcodinglife.com/views/login.php
  • Froese, R and Pauly, D (2000) Fishbase 2000: Concepts, design and data sources ICLARM 344 pp Available at - http://www.fishbase.org
  • (2003) IUCN Red list of threatened species Available at - http://www.iucnredlist.org/
  • 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
  • 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
  • Dr(Mrs.) Anisa Basheer (1989) Some common Indian Marine Fishes Marine Biology Mrs Shashi Jain, Pointer Publishers, Jaipur, India 66-104 pp Available at - NIO, Goa
  • Humbe, A; Bangale, PP; Pokale, SN; Patil, PS (2009) A checklist of Tapeworms in Marine Fishes from West coast of Maharashtra state,India Bioinfolet Dr. Anil M. Mungikar 6(3) 278-279 Available at - http://www.indianjournals.com/ijor.aspx?target=ijor:bil&volume=6&issue=3&article=033&type=pdf
  • Dr. Kumaraguru, AK (2000) Studies on socioeconomics of Coral Reef resource users in the Gulf of Mannar coast, South India Centre for Marine and Coastal studies School of Energy, Environment and Natural Resources Madurai Kamaraj University, Madurai, India Available at - http://planningcommission.nic.in/reports/sereport/ser/stdy_coral.pdf
  • 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
  • Manna, B and Goswami, BCB (1985) A check-list of marine and estuarine fishes of Digha, West Bengal, India Mahasagar- Bulletin of the National Institute of Oceanography NIO, Goa 18(4) 489-499 Available at - http://nicmas.nio.org/Mahasagar/Mahasagar_V-18/Mahasagar_18%284%29_489.pdf
  • 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
  • Murty, VS (1969) Catalogue of fishes (excluding from the Laccadives) in the reference collections of the Central Marine Fisheries Research Institute Bulletin of Central Marine Research Institute CMFRI, Cochin 10 1-38 Available at - http://eprints.cmfri.org.in/571/1/Bulletin_10.pdf
  • Radhakrisnan, EV; Kathirvel, M; Devarajan, K; Vijayakumaran, M; Poovannan, P; Thangavelu, R; Hameed, KS; Sankaralingam, S; Ramakrishnan, A and Thangar, VS (1989) An unusual congregation of organisms in the catches off Kovalam, Madras Marine fisheries information service ICAR 99 16-18 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 - eprints.cmfri.org.in/3975/1/Special_Publication_No_12_Revised.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
  • Akhilesh, KV; Ganga, U; Pillai, NGK; Vivekanandan, E; Bineesh, KK; Shanis, CPR and Hashim, M (2011) Deep-sea fishing for chondrichthyan resources and sustainability concerns-a case study from southwest coast of India Indian Journal of Geo-Marine Sciences NISCAIR 40(3) 347-355 Available at - nopr.niscair.res.in/bitstream/.../1/IJMS%2040(3)%20347-355.pdf

Page last updated on:2012-02-20

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