Ctenochaetus strigosus   (Bennett,  1828) (Fish)
Organism information awaits expert curation
Class: Actinopterygii

Image copyrights: Mya Than Tun

Size: 25-27.5 cm.

Color: In preserved specimens deep reddish brown. Sides of body, and tail with many narrow longitudinal light bluish stripes. Find dark as the body, dorsal with indications of longitudinal bands. Base of dorsal and anal posteriorly sometimes with a black blotch. Head and breast with light spots in life.

Height 1.9-2, 2.3-2.7 in length with caudal. Head 3.2-3.6, 4.4-5 in length with caudal. Eye 3.5-4.3, 2-3 in snout, and 1.1-1.4 in convex inter orbital space. Origin of dorsal in a vertical between eye and gill opening. First dorsal spine about half length of second, which equals eye. Following spines and dorsal rays radially increasing in height to about the 19th or 20th rays, which are as long as snout and half eye, the posterior rays rapidly decreasing in length, hence the fin is pointed. First anal spine very small, third longest, as long as longest dorsal spines. Soft anal similar to soft dorsal. Pectorals as long as head. Ventrals pointed, equal to snout and eye. Caudal forked, the lobes falcate, and somewhat produced in large specimens.

Remarks: Values in above description denote proportions.

Synonym (s)
Acanthurus strigosus Bennett, 1828
Acanthurus ctenodon Cuvier and Valenciennes, 1835
Acanthurus strigosus Bleeker, 1854
Acanthurus striatus Gunther, 1861
Acanthurus ctenodon Bleeker, 1863
Acanthurus strigosus Kner, 1867
Acanthurus ctenodon Playfair, 1866
Acanthurus ctenodon Day, 1870
Acanthurus ctenodon Klunzinger, 1871
Acanthurus strigosus Gunther, 1875
Acanthurus strigosus Day, 1888
Acanthurus (Ctenodon) strigosus Klunzinger, 1884
Ctenochaetus strigosus Seale, 1901
Ctenochaetus strigosus Jenkins, 1904
Ctenodon ctenodon Fowler, 1904
Ctenochaetus striatus Jordan and Seale, 1906
Teuthis striatus Barnard, 1927
Ctenochaetus strigosus Herre, 1927
Ctenochaetus strigosus Fowler, 1928
Ctenochaetus strigosus Fowler and Bean, 1931
Acanthurus strigosus Hardenberg, 1933
Ctenochaetus strigosus Herre, 1936
Ctenochaetus strigosus Fowler 1938
Ctenochaetus strigosus de Beaufort, 1951

Common Name (s)
• Spotted Surgeon Fish (English)
• Rykathi
• Pala
• Slender Toothed Surgeonfish (English)
• Matta (Telugu)
• Kozhimeen (Tamil)
• Orandah (Tamil)
• Spotted Bristletooth (English)
Economic Importance and Threats
Importance:  Commercial
(Fisheries. Marketed fresh or frozen; Ornamental fish)

Habitat:  Reef Associated


• Lakshadweep, Minicoy Atoll (Lat: 8) (Long: 71) INDIA
• Andaman and Nicobar Islands, Andaman Islands INDIA
• Lakshadweep, Agatti INDIA
• Lakshadweep, Amini INDIA
• Lakshadweep, Bitra INDIA
• Lakshadweep, Kadamatt INDIA
• Lakshadweep, Kavaratti INDIA
• Lakshadweep, Minicoy INDIA
• Lakshadweep INDIA
• Red Sea
• Andaman and Nicobar Islands, Mahatma Gandhi Marine National Park INDIA
• Lakshadweep, Kilttan INDIA (Record: 05/01/1987-06/02/1987)
• Lakshadweep, Kalpeni INDIA (Record: 11/1993-01/1997)
• Lakshadweep, Bitra INDIA (Record: 11/1993-01/1997)
• Lakshadweep, Kadamatt INDIA (Record: 11/1993-01/1997)
• Lakshadweep, Minicoy INDIA (Record: 11/1993-01/1997)

Literature Source(s)
  • Wafar, MVM (2003) Checklists of reef fauna Available at - http://www.reefindia.org/
  • Rao, DV; Devi, K and Rajan, PT (2000) An account of ichthyofauna of Andaman and Nicobar Islands, Bay of Bengal Occasional paper no 178 Records of the Zoological Survey of India ZSI, Calcutta 1-434 Available at - NCL, Pune
  • Devi, K and Rao, DV (2003) Poisonous and venomous fishes of Andaman Islands, Bay of Bengal Occasional paper no 211 Records of The Zoolgical Survey of India ZSI, Calcutta 25934 Available at - NCL, Pune
  • Devi, K and Rao, DV (2003) A field guide to the fishes of Acanthuridae (surgeonfishes) and Siganidae (rabbitfishes) of Andaman and Nicobar Islands 42 Available at - NCL, Pune
  • Nagabhushanam, AK and Krishnan, S (1993) Observations on the distribution of some of the marine organism inhabiting the inter-tidal zone along the western continental shelf of the Bay of Bengal, with particular reference to the Tamil Nadu coastal strip Records of the Zoological Survey of India 93(3-4) 449-490 Available at - ZSI, Pune
  • Ohman, M; Rajasuriya, A and Olafsson, E (1997) Reef fish assemblages in north western Sri Lanka: Distribution patterns and influences of fishing practises Enviornmental Biology of Fishes Kluwer Academic Publishers 49 45-61
  • Letourneur, Y; Chabanet, P; Durville, P; Taquet, M; Teissier, E; Parmentier, M; Quero, JC and Pothin, K (2004) An updated checklist of the marine fish fauna of Reunion Island, south-western Indian Ocean Cybium 28(3) 199-216
  • Durville, P; Chabanet, P and Quod, JP (2003) Visual Census of the Reef Fishes in the Natural Reserve of the Glorieuses Islands (Western Indian Ocean) Western Indian Ocean J. Mar. Sci. WIOMSA 2 95-104
  • Pillai, CSG; Gopakumar, G and Mohan, M (1991) Ichthyofauna of the intertidal reef flats of Minicoy atoll, Lakshadweep An analysis of its structure, relative abundance and food Journal of the Marine Biological Association of India The marine Biological Association of India 34 74-83 Available at - NIO, RC Kochi
  • Mark, SD and Jarvis, GE (2002) The impact of the 1998 coral mortality on reef fish communities in the Seychelles Marine Pollution Bulletin 44 309-321 Available at - NCL, Pune
  • Tun, MT (2001) Marine fishes of Myanmar (pelagic and demersal) U Than Tun, Director-General, Department of Fisheries, Ministry of Livestock and Fisheries, Myanmar 276 pp 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
  • Beaufort, LF and Chapman, WM (1951) The fishes of the Indo-Australian Archipelago A. J. Reprints agency, Karol Bagh, New Delhi 9 484 pp Available at - NIO, Goa
  • Jones, S and Kumaran, M (1980) Fishes of the Laccadive Archipelago The Nature Conservation and Aquatic Sciences Service, Trivandrum, Kerala 760 pp Available at - NIO, Goa
  • Talwar, PK and Kacker, RK (1984) Commercial sea fishes of India ZSI, Calcutta 997 pp Available at - NIO, Goa
  • Jones, S. (1969) Catalogue of fishes from the Laccadive Archipelago in the reference collections of the Central Marine Fisheries Research Institute. Bulletin of Central Marine Research Institute CMFRI, Cochin 8 1-35 Available at - http://eprints.cmfri.org.in/569/1/Bulletin_8.pdf
  • Murty, VS (1996) Marine ornamental fishes of India Proceedings of the Seminar on Fisheries - A Multibillion Dollar Industry, Madras CMFRI 23-34 Available at - http://eprints.cmfri.org.in/7786/1/678-Mur.pdf
  • Kumaran, M; Murty, VS and Lalmohan, RS (1989) Resources of ornamental fishes Marine living resources of the union territory of Lakshadweep: An indicative survey with suggestions for development Bulletin of Central Marine Research Institute CMFRI 43 46-64 Available at - http://eprints.cmfri.org.in/8213/1/Bulletin_No_43.pdf
  • Murty, VS (2002) Marine ornamental fish resources of Lakshadweep CMFRI Special Publication CMFRI 72 1-134 Available at - http://eprints.cmfri.org.in/3536/1/Special_Publication_No_72.pdf
  • Murty, VS (2001) Ornamental fish resources of Lakshadweep Bulletins of the Geological Survey of India 56 103-111 Available at - http://eprints.cmfri.org.in/8574/1/Murty.pdf

Page last updated on:2011-06-28

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