Acentrogobius cyanomos   (Bleeker,  1849) (Fish)
Organism information awaits expert curation
Class: Actinopterygii

Image copyrights: Devarapalli, P

Size: 11.5 cm.

Color: Blackish green to oliver above, lighter below. Scales with shiny greenish spots. Similar spots on opercle. On shoulder a blue blotch. First dorsal fin yellowish. Ventral fin whitish, pink to violet. Other fins violet, bordered with reddish to orange. Membrane of second dorsal fin and caudal fin with 3-5 rows of whitish spots between the rays. Base of caudal fin above with dark blotch.

Body elongate, anteriorly cylindrical, posteriorly compressed, height 4 1/2-5 in length, 6-6 1/3 in total length. Head compressed, obtuse, 3 3/5-4 in length, 4 1/2-5 in total length. Eye 4-5 in head, interorbital 1/3-1/2 eye diameter. snout obtuse, about as long as eye, tip a little below lower margin of eye. Anterior nostril in a short tube. Jaws sub-equal. Maxillary extends to below posterior part of eye, in young specimens to below anterior margin of pupil. Lips thick. No barbels. Teeth in upper jaw of outer row enlarged, in lower jaw outer row enlarged, extends to half way the jaw, last two teeth are canines. Longitudinal rows of mucous canals on cheek. Supra-opercular groove with open pores, first pore behind the eye. An open pore medially in interorbital space. Head scaled above behind the eye, rest naked. Scales of head, nape, breast and belly cycloid, of body ctenoid. First dorsal fin lower than body, in male first second and third rays or only second ray filiform. Second dorsal and anal fin lower than body, pointed posteriorly. Pectoral fin without free silk like rays, obtuse, longer than head without snout. Ventral fin rounded, about as long as pectoral fin. Caudal fin obtuse, as long as head.

Remarks: Values in above description denote proportions.

Synonym (s)
Acentrogobius cyanomos Bleeker, 1849
(New combination)
Aulopareia cyanomos Bleeker, 1849
(New combination)
Ctenogobius dentifer Hora, 1923
(Junior synonym)
Gobius cyanomos Bleeker, 1849
(Original combination)
Gobius cyanomos Day, 1876
Gobius cyanoclavis Cantor, 1850
Gobius cyanomos Gunther, 1861
Gobius cyanosmo Day, 1878
Acentrogobius spilopterus H. M. Smith, 1932
Acentrogobius cyanomos Koumans, 1941

Common Name (s)
• Nuna Baila (Bengali)
• Bondu (Telugu)
Economic Importance and Threats
Cultured:  No

Habitat:  Demersal, Estuarine


• Orissa, Mahanadi Estuary (Lat: 20.32) (Long: 86.75) INDIA
• Orissa, Chilika Lake INDIA (Record: 1985-1987)
• Tamil Nadu, Chennai Coast INDIA
• Tamil Nadu, Gulf of Mannar INDIA
• Orissa, Chilika Lake INDIA (Record: 1948-1950)

Literature Source(s)
  • UNEP World Conservation Monitoring Centre Available at -
  • Rama Rao, KV (1995) Pisces Wetland ecosystem series 1: Fauna of Chilika lake ZSI, Calcutta 483-506 Available at - NIO, Goa
  • Zoological Survey of India (Eds.) (1998) Fauna Of Mahanadi estuary, Orissa Estuarine ecosystem series no 3 ZSI, Kolkata 1-218 Available at - ZSI, Pune
  • (2001) Fauna of Godavari estuary, Andhra Pradesh Estuarine ecosystem series 4 ZSI, Kolkata 1-166 Available at - ZSI, Pune
  • Mohapatra, A and Venkateswarlu, T (1995) Fishes from upper reaches of Vasista Godavari estuary near Narsapur, Andhra Pradesh Environment and Ecology 13(4) 800-808
  • Ocean Biogeographic Information System Available at -
  • Abbaasi, SA (1997) Wetlands of India-Ecology and Threats Discovery Publishing House,New Delhi II 1-182 Available at - NIO, RC Kochi
  • 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 -
  • Marine Biological Station, Chennai, Tamil Nadu (2003) Checklist of marine fauna of Tamil Nadu Department of Environment, Government of Tamil Nadu Available at -
  • 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 -
  • Koumans, FP (1953) The fishes of the Indo-Australian Archipelago A. J. Reprints agency, Karol Bagh, New Delhi 10 423 pp Available at - NIO, Goa
  • 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 -

Page last updated on:2011-04-07

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