Arius arius   Hamilton,  1822 (Fish)
Organism information awaits expert curation
Class: Actinopterygii

Image copyrights: FAO

Size: 40 cm SL

Color: Body silvery steel along back, lighter on sides and below. Dorsal and pectoral fin margins posteriorly dusky; adipose dorsal fin with a well defined black spot.

Elongate and robust body with depressed head. The snout is blunt and rounded. Eyes are large, 1.6 to 2.5 times in interorbital width. Shallow median fontanelle groove is present on top of head that is not reaching to the base of supra-occipital process. Supra-occipital process wider at its base than broad. Mouth is sub-terminal in position, its gape narrow. Three pairs of barbels are present. Villiform type of teeth is present in jaws; premaxillary tooth band continuous, about 4 times as long as broad; teeth on palate globular, forming two elliptical patches, one patch on each side, with a horn-like conical projection anteriorly. Dorsal and pectoral fins with strong pungent spines; tip of dorsal spine prolonged into a filament; pectoral spine shorter than dorsal spine; adipose dorsal fin small. Anal fin with 20 or 21 rays. Lateral line bifurcating at the base of tail. Gill rakers present on the hind aspect of all gill arches.

Synonym (s)
Arius boakeii Turner, 1867
Arius cochinchinensis Gunther, 1864
Arius gagora (non Hamilton, 1822)
Arius maculatus (non Thunberg, 1792)
Pimelodus arius Hamilton-Buchanan, 1822
Tachysurus arius Misra, 1976
Arius boakeii Turner, 1867
(Junior synonym)
Arius buchanani Day, 1877
(Junior synonym)
Arius cochinchinensis Gunther, 1864
(Junior synonym)
Arius falcarius Richardson, 1845
(Junior synonym)
Bagrus crinalis Richardson, 1846
(Junior synonym)
Pimelodus arius Hamilton, 1822
(Senior synonym)
Pimelodus mong Richardson, 1846
(Junior synonym)
Tachysurus arius (Hamilton, 1822)
(Senior synonym)

Common Name (s)
• Hamiltons Catfish (English)
• Threadfin Sea Catfish (English)
• Hamilton's Catfish (English)
• Jella (Telugu)
• Singada
Economic Importance and Threats
Importance:  Commercial
Cultured:  Unknown

Habitat:  Demersal, Estuarine
Trophic Level:  Secondary Consumer
Prey:  Benthic invertebrates


• West Bengal, Digha Coast (Lat: 21.61) (Long: 87.53) INDIA
• Orissa, Chilika Lake INDIA
• Kerala, Ponnani Estuary INDIA (Record: 03/1997-02/1999)
• Tamil Nadu, Chennai Coast INDIA
• Orissa, Chilika INDIA
• Maharashtra, Amba Estuary INDIA
• Orissa, Dangmal INDIA
• Pondicherry, Karaikal (Lat: 10.26) (Long: 79.85) INDIA (Record: 01/2003-12/2003)
• Kerala INDIA
• Orissa, Dhamra Estuary INDIA
• Gujarat INDIA
• West Bengal INDIA
• West Bengal (Lat: 21.45) (Long: 87.9) INDIA

Literature Source(s)
  • Rama Rao, KV (1995) Pisces Wetland ecosystem series 1: Fauna of Chilika lake ZSI, Calcutta 483-506 Available at - NIO, Goa
  • Dhanze, JR and Jayaram, KC (1990) Comparative morphology of the Osteocranium in three species of the genus with a note on its utility in taxonomy (Ariidae: Siluriformes) Occasional paper no 123 Records of the Zoological Survey of India ZSI 17168 Available at - NCL, Pune
  • Khan, RA (2003) Fish faunal resources of Sunderban estuarine system with special reference to the biology of some commercially important species Records of the Zoological Survey of India ZSI, Kolkata 1-149 Available at - NCL, Pune
  • (2001) Fauna of Godavari estuary, Andhra Pradesh Estuarine ecosystem series 4 ZSI, Kolkata 1-166 Available at - ZSI, Pune
  • Jayaram, KC (1982) Aid to the identification of the siluroid fishes of India, Burma, Sri Lanka, Pakistan and Bangladesh: Ariidae and Plotosidae Occasional paper no 37 Records of the Zoological Survey of India ZSI 14977 Available at - NCL, Pune
  • Talwar, PK and Kacker, RK (1984) Commercial sea fishes of India ZSI, Calcutta 997 pp Available at - NIO, Goa
  • Ocean Biogeographic Information System Available at -
  • Hussain, SM Brief report on biodiversity in the coastal areas of Pakistan p 113
  • Froese, R and Pauly, D (2000) Fishbase 2000: Concepts, design and data sources ICLARM 344 pp Available at -
  • Goswami, BCB (1992) Marine fauna of Digha coast of West Bengal, India Journal of Marine Biological Association of India The Marine Biological Association of India, Cochin 34 115-137 Available at - NIO, RC Kochi
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -
  • Bijukumar, A and Sushama, S (2000) Ichthyofauna of Ponnani estuary, Kerala Journal of the Marine Biological Association of India The Marine Biological Association of India, Cochin 42(1&2) 182-189 Available at - NIO, Goa
  • 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 -
  • Satapathy, D and Panda, S (2009) Fish atlas of Chilika Chilika Development Authority, Bhubaneswar 74 pp Available at - NIO, Goa
  • Gajbhiye, SN; Mehta, P; Mustafa, S and Nair, VR (1995) A case study on the impact of industrial effluents disposal on the fisheries of Amba river estuary, Maharastra Journal of the Indian Fisheries Association Indian Fisheries Association 25 25-38 Available at -
  • 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 -
  • Chadha, S and Sekar, KC (1999) Bhitarkanika:myth and reality Nataraj publishers, Dehra Dun Available at - NIO, Goa
  • Rajasegar, M and Sendhilkumar, R (2009) Finfish Resources of Karaikal,South East Coast of India World Journal of Fish and Marine Sciences IDOSI Publications 1 (4) 330-332 Available at -
  • 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
  • Dutta, SK (2007) Biodiversity assessment of Dhamra port site and surrounding areas, Orissa Greenpeace India 4-38 Available at -
  • Kizhakudan, SJ; Nair, KVS and Zala, MS Demersal Finfish Resources of Gujarat Sustainable fisheries development: Focus on Gujarat 57-66 Available at -
  • 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 -
  • Mishra, SS; Chakrabarty, M; Kar, S and Gopi, KC (2010) Catfish diversity of west Bengal, India Journal of Environment and Sociobiology Social Environmental and Biological Association, Kolkata, India 7(2) 189-194 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

Page last updated on:2012-01-06

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