Siganus oramin   (Bloch & Schneider,  1801) (Fish)
Organism information awaits expert curation
Class: Actinopterygii

Size: 28 cm.

Color: In preserved specimens brownish above, more or less silvery below. Head, body and tail covered with numerous white spots, smaller than inter spaces, generally smaller and rounded on head and nape, longer and more elongate on sides. These spots indistinct in formol specimens. A more or less distinct dark blotch immediately behind head and below origin of lateral line. Young with a few dark transverse bands on chin. Membranes of spinous dorsal and anal with dark brown cloudy blotches or oblique bands, the spines often with similar white spots as the body. Membranes of soft dorsal and anal hyaline, the rays ringed with darker. Pectorals yellowish. Ventrals with brown markings. Caudal brown, with more or less distinct vertical bands, interrupted in the middle.

Height 2.4-2.8, 2.9-3.5 in length with caudal. Head 3.7-3.8, 4.4-5.1 in length with caudal. Eye 3-3.9, 1.2-1.6 in snout and about equal to very slightly convex inter orbital space. Anterior nostril with a low brim, sometimes produced into a very short flap at its posterior border. Cheeks naked or with a few scattered scales. First dorsal spine equal to eye or somewhat longer in young specimens. Seventh or seventh and eighth spines longest, equal to snout and half eye. Last spine equal to or somewhat less than first one. Soft dorsal rounded, the median rays not much longer than the anterior ones, equal to snout, in young specimens equal to snout and half eye. First anal spine somewhat longer than first dorsal spine. Third, fourth, and fifth spines sub equal, as long as distance between anterior border of pupil and tip of snout. Last anal spine about as long as first. Soft anal similar to soft dorsal. Pectorals as long as snout and eye, ventrals shorter. Caudal forked in adults, in young ones almost truncate.

Remarks: Values in above description denote proportions.

Synonym (s)
Amphacanthus guttatus var. oramin Bloch and Schneider, 1801
Amphacanthus dorsalis Cuvier and Valenciennes, 1835
Amphacanthus dorsalis Schlegel and Muller, 1844
Amphacanthus albopunctata Schlegel, 1842
Amphacanthus margaritiferus Richardson, 1846
Teuthis dorsalis Cantor, 1850
Amphacanthus dorsalis Bleeker, 1857
Amphacanthus margaritiferus Bleeker, 1857
Teuthis margaritifera Gunther, 1861
Amphacanthus albopunctatus Kner, 1867
Teuthis margaritifera Playfair, 1867
Teuthis albopunctata Gunther, 1875
Teuthis margaritifera Day, 1875
Teuthis albopunctata Macleay, 1881
Teuthis albopunctata Steindachner and Doderlein, 1883
Siganus albopunctatus Rutter, 1897
Siganus fuscescens Jordan and Evermann, 1902
Teuthis oramin Johnstone, 1904
Teuthis albopunctata Steindachner, 1906
Siganus fuscescens Smith and Pope, 1906
Siganus fuscescens Jordan and Seale, 1907
Siganus oramin Jordan and Richardson, 1908
Amphacanthus oramin M. Weber, 1913
Siganus fuscescens Fowler and Bean, 1922
Siganus oramin Barnard, 1927
Teuthis oramin Herre and Montalban, 1928
Siganus canalicutatus Fowler, 1928
Siganus oramin Fowler and Bean, 1929
Siganus oramin Fowler, 1934
Teuthis oramin Herre, 1936

Common Name (s)
Economic Importance and Threats
Importance:  Commercial
(Ornamental fish)



• Tamil Nadu, Chennai INDIA
• Tamil Nadu, Gulf of Mannar INDIA
• Andaman and Nicobar Islands, Andamans INDIA
• Palk Bay INDIA
• Gujarat, Beyt Island INDIA
• Tamil Nadu, Vedalai INDIA
• Lakshadweep, Minicoy Island (Lat: 8.11) (Long: 73.3) INDIA

Literature Source(s)
  • Wafar, MVM (2003) Checklists of reef fauna Available at -
  • AlShihab, SA and AlHasan, R (1986) Preliminary studies on diatoms isolated from shrimp and fish viscera collected from Kuwaiti waters Arab Gulf Journal of Scientific Research 4(1) 249-257 Available at - Zoological records
  • Amin, OM; Nahhas, FM; AlYamani, F and AbuHakima R (1984) On three acanthocephalan species from some Arabian Gulf fishes off the coast of Kuwait Journal of Parasitology 70(1) 168-170 Available at - Zoological records
  • 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 -
  • 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
  • Ken's Fishing Haven Available at -
  • Murty, VS (1996) Marine ornamental fishes of India Proceedings of the Seminar on Fisheries - A Multibillion Dollar Industry, Madras CMFRI 23-34 Available at -
  • Murty, VS (1969) Catalogue of fishes (excluding from the Laccadives) in the reference collections of the Central Marine Fisheries Research Institute Bulletin of Central Marine Research Institute CMFRI, Cochin 10 1-38 Available at -
  • Jones, S and Kumaran, M (1959) The fishing industry of Minicoy Island with special reference to the tuna fishery Indian Journal of Fisheries Indian Council of Agricultural Research 6 (1) 30-57 Available at -

Page last updated on:2011-06-02

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