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

Image copyrights: Encyclopedia of Life

Color: Upper surface of head and back dark bluish green, minutely dotted with black, silvery below. Fins largely yellow green, dusky on pectoral and caudal fins.

Body elongate, rounded in cross section. Upper and lower jaws greatly elongated and studded with sharp teeth; teeth directed anteriorly in juveniles. Length of head 3.0 to 3.6 times in body length. Dorsal fin with 22 or 23 soft rays; anal fin with 18 to 21 soft rays. Caudal fin forked. Scales small; lateral line forms a very slight keel on caudal peduncle.

Remarks: Values in above description denote proportions.

Synonym (s)
Belone crocodila Peron and Lesueur 1821
Belone annulata Valenciennes : Day 1877
Strongylura gigantea (nec Temminck & Schlegel) Jones and Kumaran 1980
Belona crocodila Peron & Lesueur, 1821
Belone annulata Valenciennes, 1846
Belone coromandelica van Hasselt, 1823
Belone crassa Poey, 1860
Belone crocodila Peron & Lesueur, 1821
Belone crocodilus Peron & Lesueur, 1821
Belone cylindrica Bleeker, 1852
Belone gerania Valenciennes, 1846
Belone gigantea Temminck & Schlegel, 1846
Belone koseirensis Klunzinger, 1871
Belone melanochira Poey, 1860
Belone melanurus Bleeker, 1849
Belone raphidoma Ranzani, 1842
Belone timucoides van Hasselt, 1824
Esox aaveri Curtiss, 1938
Strongylura crocodila (Peron & Lesueur, 1821)
Strongylura crocodilus (Peron & Lesueur, 1821)
Strongylura gigante (Temminck & Schlegel, 1846)
Strongylura raphidoma (Ranzani, 1842)
Strongylurus annulatus (Valenciennes, 1846)
Strongylurus crocodila (Peron & Lesueur, 1821)
Tylosurus annulatus (Valenciennes, 1846)
Tylosurus crocodilis crocodilis (Peron & Lesueur, 1821)
Tylosurus giganteus (Temminck & Schlegel, 1846)
Tylosurus gladius Bean, 1882
Tylosurus raphidoma (Ranzani, 1842)

Common Name (s)
• Giant Longtom (English)
• Wahlah Kuddera (Telugu)
• Pahmum Kolah (Tamil)
• Tol (Marathi)
• Dethuntholi
• Oola
• Keran
• Houndfish (English)
Economic Importance and Threats
Importance:  Commercial

Habitat:  Estuarine


• Tamil Nadu, Chennai Coast INDIA
• Tamil Nadu, Gulf of Mannar INDIA
• Andaman and Nicobar Islands, Great Nicobar Island INDIA (Record: 08/2000-07/2003)
• Andaman and Nicobar Islands INDIA
• West Bengal (Lat: 21.45) (Long: 87.9) INDIA
• Andaman and Nicobar Islands (Lat: 13.75) (Long: 94.25) INDIA
• Andaman and Nicobar Islands (Lat: 6.75) (Long: 92.16) INDIA

Literature Source(s)
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at - http://www.marinespecies.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
  • Encyclopedia of Life Available at - http://www.eol.org/
  • Talwar, PK and Kacker, RK (1984) Commercial sea fishes of India ZSI, Calcutta 997 pp Available at - NIO, Goa
  • Rajaram, R; Srinivasan, M; Khan, SA and Kannan, L (2004) Ichthyofaunal diversity of great Nicobar Island, Bay of Bengal Journal of Indian fisheries association 31 13-26 Available at - NIO, Goa
  • Talwar, PK (1990) Fishes of Andaman and Nicobar Islands: A synoptic survey Journal of the Andaman Science Association Andaman Science Association, Port Blair 6(2) 71-102 Available at - NIO,Goa
  • 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
  • Roy, SD; Rajan, PT and Soundararajan, S (2006) Marine food fishes of Andaman and Nicobar islands Fishing Chimes 25(10) 108-110 Available at - NIO, Goa

Page last updated on:2012-01-24

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