Ompok bimaculatus   (Bloch,  1794) (Fish)
Organism information awaits expert curation
Class: Actinopterygii

Image copyrights: Sreekantha

Max size: 45.0 cm SL

Color: Brown, usually marmorated body with conspicuous round black blotch above pectoral base.

Body elongate and strongly compressed. Mouth large and oblique. Dorsal soft rays (total): 4; Anal soft rays: 54 - 74. Two pairs of barbels; maxillary barbels reaching pelvic fins or anal fins; caudal fin is forked with pointed lobes; mandibulary barbels minute, about as long as diameter of eye. Eyes small, covered by skin and extend to the lower border of mouth. Dorsal and pelvic fins small; anal fin long; pectoral fins well developed. Teeth are villiform in bands on jaws, vomerine teeth in 2 oval patches.

Remarks: Rarely observed

Synonym (s)
Callichrous bimaculatus (Bloch, 1794)
(Senior synonym)
Callichrous ceylonensis Gunther, 1864
(Junior synonym)
Callichrous chechra (Hamilton, 1822)
(Junior synonym)
Callichrus immaculatus (non Swainson, 1839)
(Misapplied name)
Callichrus nebulosus (Swainson, 1839)
(Junior synonym)
Ompok canio (non Hamilton, 1822)
(Misapplied name)
Ompok siluroides Lacepede, 1803
(Junior synonym)
Phalacronotus siluroides Lacepede, 1803
(Junior synonym)
Pseudosilurus bimaculatus Bloch, 1794
(Senior synonym)
Schilbe pabo non Hamilton, 1822
(Misapplied name)
Silurus bimaculatus Bloch, 1794
(Senior synonym)
Silurus bimaculatus Bloch, 1794
Silurus canio non Hamilton, 1822
(Misapplied name)
Silurus chechra Hamilton, 1822
(Junior synonym)
Silurus duda Hamilton, 1822
(Junior synonym)
Silurus indicus (non McClelland, 1842)
(Misapplied name)
Silurus microcephalus Valenciennes, 1840
(Junior synonym)
Silurus mysoricus Valenciennes, 1840
(Junior synonym)
Wallago miostoma (non Vaillant) 1902
(Misapplied name)
Callichrous nebulosus (Swainson, 1839)
(Junior synonym)
Callichrous sindensis (non Day, 1877)
(Misapplied name)
Ompok krattensis (Fowler, 1934)
(Junior synonym)
Ompok sindensis (non Day, 1877)
(Misapplied name)
Pseudosilurus macropthalmos Blyth, 1860
(Junior synonym)
Silurus affinis Swainson, 1839
Silurus nebulosus Swainson 1839
(Junior synonym)
Wallago bimaculatus (Bloch) 1794
(Senior synonym)
Wallago krattensis Fowler 1934
(Junior synonym)
Wallago microcephalus (Valenciennes) 1840
(Junior synonym)
Pseudosilurus macropthalmus Blyth, 1860
Ompak bimaculatus (Bloch, 1794)
Callichrus affinis (Swainson, 1839)
Callichrous macrophthalmus (Blyth, 1860)

Common Name (s)
• Pabhoh
• Pava (Assamese)
• Pabho (Assamese)
• Butter Catfish (English)
• Valanj (Marathi)
• Wanz (Marathi)
• Butter Catfish (English)
• Pena Valapotta (Sinhala)
• Kokussa (Sinhala)
• Pabia
• Padba
• Pabo (Assamese)
• Pahboh (Assamese)
• Puffta (Bengali)
• Indian Butter Catfish (English)
• Gungwari (Gujarati)
• Chechera (Hindi)
• Gugli (Hindi)
• Jalkapoor (Hindi)
• Papta (Hindi)
• Puffta (Hindi)
• Godalae (Kannada)
• Godla (Kannada)
• Kembari (Kannada)
• Khababia (Khasi)
• Chotra Valay (Malayalam)
• Mangeewalah (Malayalam)
• Manjivala (Malayalam)
• Mungee Wahlah (Malayalam)
• Ngaton (Manipuri)
• Goongware (Marathi)
• Moon (Marathi)
• Valanj (Marathi)
• Wanz (Marathi)
• Pabtah (Oriya)
• Pob Tah (Oriya)
• Googwah (Punjabi)
• Goongwah (Punjabi)
• Pallu (Punjabi)
• Pallus (Punjabi)
• Pubta (Punjabi)
• Dimmon (Sindhi)
• Chaithavelai (Tamil)
• Chetahwahlah (Tamil)
• Chotah Walai (Tamil)
• Chotah Wahlah (Tamil)
• Chotawahla (Tamil)
• Silaivalai (Tamil)
• Duka Damu (Telugu)
• Dukaduma (Telugu)
• Theenuva (Telugu)
• Pabda
Economic Importance and Threats
Importance:  Commercial
(Fisheries, aquaculture and aquarium)
Cultured:  Yes

Habitat:  Demersal, Estuarine, Sandy, Muddy
Prey:  Vegetable matter, fish, crustaceans and mollusks.


• West Bengal, Kiagoria INDIA (Record: 1981-1982)
• West Bengal, Digha Coast (Lat: 21.61) (Long: 87.53) INDIA
• Maharashtra, Danoli INDIA
• Orissa, Chilika Lake INDIA (Record: 1985-1987)
• West Bengal, Digha Ghole (Lat: 21.61) (Long: 87.53) INDIA (Record: 1981-1982)
• West Bengal, Digha Mohana (Lat: 21.61) (Long: 87.53) INDIA (Record: 1981-1982)
• Orissa, Chilika Lake INDIA (Record: 1948-1950)
• Orissa, Mahanadi Estuary INDIA

Literature Source(s)
  • Singh, DF and Yazdani, GM (1993) Ichthyofauna of Konkan region of Maharashtra (India) Records of the Zoological Survey of India. Occasional paper no 145 ZSI, Calcutta 46 Available at - NIO, Goa
  • Karmakar, AK and Datta, AK (1988) On a collection of fish from Bastar district, Madhya Pradesh Occasional paper no 98 Records of the Zoological Survey of India ZSI, Kolkata 18264 Available at - NCL, Pune
  • Rama Rao, KV (1995) Pisces Wetland ecosystem series 1: Fauna of Chilika lake ZSI, Calcutta 483-506 Available at - NIO, Goa
  • Nandi, NC; Das, SR; Bhuinya, S and Dasgupta, JM (1993) Wetland faunal resources of West Bengal, I., north and south 24-Parganas districts Occasional paper no 150 Records of the Zoological Survey of India ZSI 18264
  • Fauna of Tripura (part-1) vertebrates ZSI, Kolkata 365 pp
  • Sen, TK (1985) The fish fauna of Assam and the neighbouring north-eastern states of India Miscellaneous publication occasional paper no 64 Records of the Zoological Survey of Inida ZSI, Kolkata 1-216 Available at - NCL, Pune
  • Rajan, PT (2001) A field guide to grouper and snapper fishes of Andaman and Nicobar Islands ZSI 103 pp Available at - NCL, Pune
  • Froese, R and Pauly, D (2000) Fishbase 2000: Concepts, design and data sources ICLARM 344 pp Available at -
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -
  • Satapathy, D and Panda, S (2009) Fish atlas of Chilika Chilika Development Authority, Bhubaneswar 74 pp 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 -
  • Jones, S and Sujansingani, KH (1954) Fish and fisheries of the Chilka Lake with statistics of fish catches for the years 1948-1950 Indian Journal of Fisheries Indian Journal of Fisheries for the Indian Council of Agricultural Research 1 (1-2) 256-344 Available at -
  • Job, TJ; David, A; Das, KN (1955) Fish and fisheries of the Mahanadi in relation to the Hirakud dam Indian Journal of Fisheries The Editorial Committee, India Journal of Fisheries for the Minister of Food and Agriculture Government of India 2(1) 1-36 Available at - NIO,Goa

Page last updated on:2011-10-03

Back to Search