Tylosurus crocodilus crocodilus   (Peron & Le Sueur,  1821) (Fish)
Organism information awaits expert curation
Class: Actinopterygii

Max. size: 150 cm

Color: The upper surface of the head and body are dark bluish-green with a silvery ventral side. The fins are yellowish-green to dusky. The scales and bones are greenish

It has an elongate body that is rounded in cross-section with its upper and lower jaws greatly elongated and armed with numerous sharp, forward-curving teeth. The scales covering the body are small and numerous with those along the lateral line, which is located very low on the body, arranged in 195 to 200 series. The lateral line forms a very slight keel on the caudal peduncle. The fins are spineless and include a dorsal fin of 21 to 24 soft rays, an anal of 18 to 22 soft rays and a forked caudal fin. The lower lobe of the caudal fin is much longer than the upper.

Synonym (s)
Belone crocodilus Peron & Sueur, 1821

Common Name (s)
• Hound Needle Fish (English)
• Crocodile Needle Fish (English)
• Giant Longtom (English)
• Hound Needlefish
Economic Importance and Threats
Importance:  Commercial, Dangers
(Marketed fresh or dried
A fierce predatory fish, very distructive of small fish)

Habitat:  Pelagic, Coastal
Trophic Level:  Consumer
Prey:  Small fishes


• Andaman and Nicobar Islands INDIA
• West Bengal, Digha Coast INDIA

Literature Source(s)
  • Rao, DV; Devi, K and Rajan, PT (2000) An account of ichthyofauna of Andaman and Nicobar Islands, Bay of Bengal Occasional paper no 178 Records of the Zoological Survey of India ZSI, Calcutta 1-434 Available at - NCL, Pune
  • Chatterjee, TK; Talukdar, RS and Mukherjee, AK (2000) Fish and fisheries of Digha coast of West Bengal Occasional paper no 188 Records of the Zoological Survey of India 31778 Available at - NCL, Pune
  • Letourneur, Y; Chabanet, P; Durville, P; Taquet, M; Teissier, E; Parmentier, M; Quero, JC and Pothin, K (2004) An updated checklist of the marine fish fauna of Reunion Island, south-western Indian Ocean Cybium 28(3) 199-216
  • Tongnunui, P; Ikejima, K; Yamane, T; Horinouch, M; Medej, T; Sano, M; Kurokura, H and Taniuchi, T (2002) Fish fauna of the Sikao Creek mangrove estuary,Trang, Thailand Fisheries Science 68 Available at - NCL, Pune
  • Tun, MT (2001) Marine fishes of Myanmar (pelagic and demersal) U Than Tun, Director-General, Department of Fisheries, Ministry of Livestock and Fisheries, Myanmar 276 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
  • Al-Abdessalaam, TZS (1995) Marine species of the Sultanate of Oman p 412 Available at - NIO, Goa
  • Fischer, W and Bianchi, G (Eds.) (1984) FAO species identification sheets for fishery purposes. Western Indian Ocean; (Fishing area 51). FAO, Rome 1 Available at - http://www.fao.org/docrep/009/ad468e/ad468e00.HTM#Contents
  • 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

Page last updated on:2011-10-13

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