Choerodon anchorago   (Bloch,  1791) (Fish)
Organism information awaits expert curation
Taxonomy
Kingdom:Animalia
Phylum:Chordata
Class: Actinopterygii
Order:Perciformes
Family:Labridae

Image copyrights: Randall, J.E.

Description
Size: 31 cm.

Color: In preserved specimens brown above, white or creamy below. Sides of head and back with numerous white specks. A transverse white band, beginning on lateral line below 5th and 6th dorsal spine, in young ones sometimes continued upwards to dorsal or even on that fin. A white saddle on caudal peduncle and below posterior dorsal rays, reducing the brown color of the upper parts to a narrow stripe on caudal peduncle, running along the lateral line. Dorsal brownish with an ill-defined white longitudinal band, posterior part of dorsal above the white saddle also white. Anal, caudal, pectorals and ventrals creamy white or hyaline. Base of pectorals dark brown, forming a band. In small specimens there is oftern a brown blotch at base of ventrals and a brown band along base of anal. The specimens of 44 mm described by Bleeker as leucozona, which shows several white longitudinal bands, is the juvenile stage of this species. In specimen of 76 mm. I still find traces of these bands and in a specimen of 90 mm there is still a trace of a band on the caudal peduncle.

Height 2.4-2.5, 2.9-3 in length with caudal. Head 2.7-2.8, 3.3-3.5 in length with caudal. Height of head 0.9-1 in its length. Eye 5-6.4, 1.7-2.8 in snout and 1.2-1.7 in slightly convex inter orbital space. Mouth slightly oblique, somewhat protactile. Maxillary almost reaching to below posterior nostril. Upper lip strongly plated. Teeth in a single series in the jaws, conical, rounded at the top, crowded, more or less coalescent, forming a serrated ridge. Posteriorly one or two canines in the upper jaw. Anteriorly 4 canines in each jaw, the outer pair curved backwards and outwards. In the upper jaw the inner canines are the longer, in the lower jaw the outer ones. Preorbital and inter orbital space naked. Preopercle with a finely denticulate hind border in young, feebly crenulate in adults and with about to transverse rows of small scales. Posterior and inferior preopercular limb naked. Operculum and inter operculum with larger scales. scales beginning on nape in vertical through hind border of preopercle. About 8 rows of scales before dorsal. Dorsal spines short but strong. Shift and pungent, their membranes strongly incised and produced beyond each spine into a streamer-like filament. First spine without its filament about equal to eye, second and third somewhat longer, the following slightly decreasing in size. Soft dorsal pointed behind, the posterior rays much longer than the anterior ones almost as long as snout. First anal spine half as long as second, third longest, about one eye-diameter and a half. Anal moderately pointed behind, the rays longer than the spines and almost equal to snout. Pectorals triangular, with the hind border rounded, equal to distance between corner of mouth and tip of opercular flap. Ventrals pointed, the first ray slightly produced, equal to eye and snout together. Caudal truncate.

Remarks: Values in above description denote proportions.


Synonym (s)
Sparus anchorago Bloch, 1791
Labrus macrodontus Lacepede, 1802
Labrus macrodontus Cuvier and Valenciennes, 1839
Cossyphus macrodon Bleeker, 1849
Choerops meleagris Ruppell, 1852
Crenilabrus leucozona Bleeker, 1858
Cossyphodes macrodon Bleeker, 1860
Hypsigenys macrodon Gunther, 1861
Choerops macrodon Bleeker, 1862
Choerops macrodon Gunther, 1862
Choerops macrodon Kner, 1865
Choerops anchorago Peters, 1868
Choerops macrodon Steindachner, 1869
Choerops maeander Cartier, 1874
Choerops anchorago Day, 1877
Choerops anchorago Gunther, 1881
Choerops macrodon Macleay, 1881
Choerops graphicus De Vis, 1885
Choerops anchorago Jordan and Seale, 1907
Choirodon anchorago Jordan and Richardson, 1908
Choerodon weberi Ogilby, 1911
Choerodon anchorage Ogilby, 1913
Choerops anchorago M. Weber, 1913
Choerodon anchorage Jordan and Starks, 1917
Choerodon anchorage Fowler and Bean, 1928
Choerodon anchorago Fowler, 1928
Choerodon anchorago P. Schmidt, 1930
Choerodon anchorago Whitley, 1932
Chaerops anchorago Borodin, 1932
Choerodon anchorago Herre, 1936
Chaerodon anchorago (Bloch, 1791)
(Misspelling)

Common Name (s)
• Orange Dotted Tuskfish (English)
Economic Importance and Threats
Importance:  Commercial
(Fisheries, marketed fresh, flesh of high quality, aquarium)

Ecology
Habitat:  Reef Associated
Trophic Level:  Secondary Consumer
Prey:  Crustaceans, molluscs and sea urchins

Biogeography


• Andaman and Nicobar Islands, Andaman Islands (Lat: 10) (Long: 93) INDIA
• Andaman and Nicobar Islands, Andamans INDIA
• Andaman and Nicobar Islands INDIA

Literature Source(s)
  • 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
  • Allen, GR and Mohammed, A (2003) Coral Reef Fishes of Indonesia Zoological Studies 42(1) 26299 Available at - Digital Information Resource Center, Pune.
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at - http://www.marinespecies.org
  • Beaufort, LF (1940) The fishes of the Indo-Australian Archipelago A. J. Reprints agency, Karol Bagh, New Delhi 8 508 pp Available at - NIO, Goa
  • Fischer, W and Bianchi, G (Eds.) (1984) FAO species identification sheets for fishery purposes. Western Indian Ocean (Fishing Area 51) FAO, Rome 2 Available at - http://www.fao.org/docrep/009/ad468e/ad468e00.HTM#Contents
  • Froese, R and Pauly, D (2000) Fishbase 2000: Concepts, design and data sources ICLARM 344 pp Available at - http://www.fishbase.org
  • 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

Page last updated on:2011-08-08

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