Centrophorus moluccensis   Bleeker,  1860 (Fish)
Organism information awaits expert curation
Taxonomy
Kingdom:Animalia
Phylum:Chordata
Class: Elasmobranchii
Order:Squaliformes
Family:Centrophoridae

Image copyrights: Marine Themes

Description
Size: Max length 100.0 cm TL (male/unsexed)

Max. published weight: 2,400 g

Color: Body gray brown above, paler below; fins slightly darker than back; area about and above gill slits darkened, as is a patch above eye and extending back to surround spiracle.

Body elongate and slightly compressed; dermal denticles of back widely separated and not overlapping, low-crowned, thorn-like in young but broader in adults, with low ridges running the length of the crown and a short cusp on their posterior edges. Snout pointed and moderately long, greater than mouth width but not as long as distance from mouth to pectoral fin origins. Teeth differing in upper and lower jaws, uppers much smaller, relatively broad and bladelike, with low oblique cusps and no cusplets; lowers large, compressed, bladelike, with a single oblique cusp, no cusplets, a deeply notched outer edge, and serrations in adults. A short, strong spine with lateral grooves on anterior edges of both dorsal fins; first dorsal relatively high and short, second dorsal very small, its height half height of first or less, its spine origin behind rear tips of pelvic fins; inner corners of pectoral fins greatly attenuated, produced as narrow, pointed lobes reaching past the first dorsal spine, their inner margins greater than distance from second dorsal spine to upper caudal origin; caudal fin with a strong subterminal notch. Caudal peduncle without dermal keels or precaudal pits.

Dioecious, internal (oviduct) fertilization, internal fertilization. Ovoviviparous, embryos feed solely on yolk. Number of young 2 per litter; size at birth about 31 to 37 cm; born at 35 cm TL. Distinct pairing with embrace.


Synonym (s)
Atractophorus armatus Gilchrist: Silas, Selvaraj and Regunathan, 1969
Centrophorus armatus Nair and Mohan, 1972
Atractophorus armatus Gilchrist, 1922
(Junior synonym)
Centrophorus scalpratus McCulloch, 1915
(Junior synonym)

Common Name (s)
• Arrowspine Dogfish (English)
• Smallfin Gulper Shark (English)
• Spiny Shark (English)
Economic Importance and Threats
Importance:  Commercial
(Fisheries. Utilized as fishmeal, for its meat, fins (low value) and liver oil (very high value).)

Ecology
Habitat:  Demersal
Trophic Level:  Tertiary Consumer
Prey:  Bony fish, other dogfish sharks, squid, octopus, shrimp, and tunicates
IUCN Status:  Data Deficient

Biogeography


• Kerala, Kochi INDIA (Record: 2000-2002)
• INDIA
• Amban INDONESIA
• Southwest Coast INDIA
• Kerala, Kochi Fisheries Harbour INDIA (Record: 01/2008-06/2009) (Depth: 125-823 mts)

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
  • Marine Themes: The world's largest marine wildlife image database Available at - http://www.marinethemes.com/indexFrame.html
  • Talwar, PK and Kacker, RK (1984) Commercial sea fishes of India ZSI, Calcutta 997 pp Available at - NIO, Goa
  • 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/
  • 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. 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
  • 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
  • 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
  • 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:2012-02-17

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