Oxyurichthys tentacularis   (Valenciennes,  1837) (Fish)
Organism information awaits expert curation
Class: Actinopterygii

Image copyrights: FAO

Size: 14.5-17 cm.

Color: Reddish green above, reddish pearl-colored below. Each scale of back and sides above with a round red spot at the margin. Below eye an oblong dark spot. First dorsal fin spotted with 3 longitudinal rows of reddish-violet spots. Second dorsal fin with 5-6 alternating longitudinal rows of oblong reddish-violet spots. Pectoral fin orange. Ventral fin and anal fin violet. Base of anal fin with a row of reddish-violet spot and with violet streaks along the blue border. Caudal fin yellowish, violet below, with oblique reddish-violet streaks. In the variety ophthalmonema Bleeker there are 5 round, dark spots laterally on body, placed in a longitudinal row, body more over with many shiny spots.

Body very elongate, compressed, height 5-5 3/5 in length, 7-7 1/2 in total length. Head obtuse, compressed, profile convex, 4-5 in length, 6-7 in total length. Eye 3 1/4 - 4 in head, interorbital 1/3-1/2 eye diameter. At the upper margin of each eye a tentacle, which is about as long as eye. Snout obtuse, a little longer than eye or shorter than eye, tip before lower margin of eye. Anterior nostril in a short tube. Mouth oblique, lower jaw prominent. Maxillary extends to below posterior part of eye. On each side 20 curved teeth in upper jaw, in lower jaw 2-3 rows, inner row enlarged. Some longitudinal mucous canals on cheek. An open pore on each side anteriorly in interorbital space, the open pore behind eye at the beginning of supra opercular groove is more or less distinct. Head scaled above behind eye, median line of head and nape naked. On nape a low dermal crest to insertion of first dorsal fin. Scales of head and anterior part of body cycloid, posteriorly ctenoid. First dorsal fin higher than body, anterior rays filiform, or lower than body. Second dorsal and anal fin lower than body, posteriorly pointed and increasing in height. Pectoral fin obtuse, about as long as head. Ventral fin about as long as head, basal membrane often fringed. Caudal fin lanceolate, about 2 times length of head.

Remarks: Values in above description denote proportions.

Synonym (s)
Gobius tentacularis Valenciennes, 1837
(Senior synonym)
Oxyurichthys tentacularis (Valenciennes, 1837)
(Senior synonym)
Gobius macrurus Bleeker, 1849
Gobius tentacularis Bleeker, 1854
Gobius ophthalmonema Bleeker, 1857
Oxyurichthys tentacularis Bleeker, 1857
Oxyurichthys ophthalmonema Bleeker, 1859
Gobius tentacularis Gunther, 1861
Euctenogobius ophthalmonema Gunther, 1877
Gobius tentacularis Day, 1878
Gobius tentacularis Day, 1889
Pselaphias opthalmonema Jordan and Seale, 1906
Oxyurichthus tentacularis Jordan and Seale, 1907
Gobiichthys tentacularis Jordan and Richardson, 1908
Gobius (Oxyurichthys) uronema M. Weber, 1909
Gobius (Oxyurichthys) tentacularis M. Weber, 1913
Oxyurichthys cornutus McCulloch and Waite, 1918
Oxyurichthys rumbia Popta, 1922
Euctenogobius cristatus Fowler and Bean, 1927
Oxyurichthys ophthalmonema Herre, 1927
Euctenogobius ophthalmonema Fowler, 1928
Oxyurichthys tentacularis Koumans, 1935
Oxyurichthys tentacularis Tomiyama, 1936
Oxyurichthys cornutus Koumans, 1940
Oxyurichthys tentacularis Koumans, 1941
Oxyurichthys tentacularis Koumans, 1944

Common Name (s)
Economic Importance and Threats

Habitat:  Demersal, Estuarine
Trophic Level:  Tertiary Consumer
Prey:  Finfish
Predator:  Platycephalus indicus (fish)


• Orissa, Chilika Lake INDIA (Record: 1985-1987)
• East Coast, Coromandel, Pulicat Lake INDIA (Record: 1997-1998)
• Tamil Nadu, Chennai Coast INDIA
• Tamil Nadu, Gulf of Mannar INDIA
• Kerala, Ponnani Estuary INDIA (Record: 03/1997-02/1999)
• Andaman and Nicobar Islands, Andamans INDIA
• Andaman and Nicobar Islands, Great Nicobar Island INDIA (Record: 08/2000-07/2003)
• Tamil Nadu, Pulicat Lake INDIA
• Kerala INDIA
• Orissa, Chilika Lake INDIA (Record: 1948-1950)
• Andaman and Nicobar Islands INDIA
• Andhra Pradesh, Off Visakhapatnam (Lat: 17.73) (Long: 83.55) INDIA (Record: 04/1989-03/1990) (Depth: 50 mts)
• Tamil Nadu, Adyar Backwaters INDIA
• Tamil Nadu, Cooum Estuary (Lat: 13.16) (Long: 80.26) 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
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at - http://www.marinespecies.org
  • Froese, R and Pauly, D (2000) Fishbase 2000: Concepts, design and data sources ICLARM 344 pp Available at - http://www.fishbase.org
  • Raj, PJS, Tilak, JL and Kalaimani, G (2002) Experiments in restoration of benthic biodiversity in Pulicat Lake, south India Journal of the Marine Biological Association of India The Marine Biological Association of India, Cochin 44(1 & 2) 37-45 Available at - NIO, Goa
  • 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
  • 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 - http://tnenvis.nic.in/PDF/coastal%20data.pdf
  • 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
  • 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
  • Rajaram, R and Nedumaran, T (2009) Ichthyofaunal diversity in great Nicobar biosphere reserve, Bay of Bengal Journal of Threatened Taxa Wildlife Information Liaison Development Society 1(3) 166-169 Available at - http://threatenedtaxa.org/ZooPrintJournal/2009/March/o198526iii09166-169.pdf
  • 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
  • Raj, PJS (2006) Macro fauna of Pulicat lake NBA bulletin No.6 NBA Available at - http://www.nbaindia.org/docs/bulletin6-pulicatlake.pdf
  • 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 - http://eprints.cmfri.org.in/1634/2/Article_15.pdf
  • 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
  • Seaweeds Used as a Source of Alginate Available at - http://www.fao.org/docrep/006/y4765e/y4765e07.htm
  • Panikkar, NK and Aiyar, RG (1937) The brackish water fauna of Madras Proceedings of the Indian Academy of Sciences, Section B Indian Academy of Sciences, Bangalore, India 6(5) 284-337 Available at - NIO, Goa

Page last updated on:2012-02-29

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