Siganus guttatus   (Bloch,  1787) (Fish)
Organism information awaits expert curation
Class: Actinopterygii

Image copyrights: Gloerfelt-Tarp, T.

Size: 38-42 cm.

Color: Dusky blue dorsally, silvery below; a bright yellow spot adjacent to last few rays of dorsal fin; head with lines and spots.

Height 2-2.1, 2.5-2.6 in length with caudal. Head 3.2-3.8, 3.9-4.7 in length with caudal. Eye 2.8-3.5, 1.3-1.8 in snout, and 1.1-1.2 in somewhat convex inter orbital space. Profile of head concave at nape, especially in young, convex from eye to upper lip. Cheeks scaly. First dorsal spine about three fourths of eye. Fourth to seventh or to ninth spines about od equal length, as long as snout or one third diameter of eye longer. Last spine about twice as long as the first. Soft dorsal angular, the second ray longest, equal to snout and half eye. First anal spine as long as eye, last spine longest, equal to snout or to snout and half eye. Soft anal similar to soft dorsal. Pectorals equal to snout and eye or somewhat shorter. Ventrals equal to snout or somewhat longer. Caudal slightly emarginate, almost to snout or somewhat longer. Caudal slightly emarginate, almost truncate. Caudal peduncle about as long as deep, its least depth equal to eye, less than eye in young. Preopercular angle 91°-102°; strong scales fully cover the cheeks; mid line of thorax scaled, not the pelvic ridges. Anterior nostril with extremely low rim, slightly expanded posteriorly. Spines stout, pungent, venomous. Dorsal spines (total): 13; Dorsal soft rays (total): 10; Anal spines: 7; Anal soft rays: 9; Vertebrae: 13.

Dioecious, external fertilization, nonguarders, open water/substratum egg scatterers. Usually spawn at midnight.

Remarks: Values in above description denote proportions.

Synonym (s)
Amphacanthus concatenatus Valenciennes, 1835
(Junior Synonym)
Amphacanthus firmamentum Valenciennes, 1835
(Junior Synonym)
Amphacanthus guttatus (Bloch, 1787)
(Senior Synonym)
Chaetodon guttatus Bloch, 1787
(Senior Synonym)
Siganus concatenatus (Valenciennes, 1835)
(Junior Synonym)
Siganus corallinus (non Valenciennes, 1835)
(Misapplied Name)
Siganus hexagonata (non Bleeker, 1854)
(Misapplied Name)
Siganus lineatus (non Valenciennes, 1835)
(Misapplied Name)
Siganus stellatus (non Forsskal, 1775)
(Misapplied Name)
Teuthis concatenata (Valenciennes, 1835)
(Junior Synonym)
Teuthis guttata (Bloch, 1787)
(Senior Synonym)
Teuthis concatenata Cantor, 1850
Amphacanthus guttatus Bleeker, 1850
Amphacanthus labyrinthoides Bleeker, 1853
Amphacanthus concatenatus Bleeker, 1856
Teuthis concatenata Gunther, 1861
Amphacanthus guttatus Kner, 1867
Teuthis concatenata Day, 1875
Teuthis flava de Vis, 1884
Siganus lineatus Jordan and Seale, 1907
Siganus lineatus Jordan and Richardson, 1909
Siganus aurolineatus Ogilby, 1912
Amphacanthus concatenatus M. Weber, 1913
Siganus lineatus Fowler, 1928
Amphacanthus lineatus Whitley, 1928
Teuthis concatenata Herre and Montalban, 1928
Teuthis concatenata Tirant, 1929
Siganus concatenatus Fowler and Bean, 1929
Teuthis concatenata P. Schmidt, 1930
Siganus concatenatus Chevey, 1932
Siganus lineatus Fowler, 1934
Teuthis lineata Herre, 1936

Common Name (s)
Economic Importance and Threats
Importance:  Commercial, Dangers
(Fisheries, aquaculture

Habitat:  Reef Associated
Trophic Level:  Secondary Consumer
Prey:  Benthic algae/weeds, planktonic invertebrates


• Tamil Nadu, Chennai Coast INDIA
• Tamil Nadu, Gulf of Mannar INDIA
• Andaman and Nicobar Islands, Andamans INDIA
• Andaman and Nicobar Islands INDIA

Literature Source(s)
  • 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 -
  • Froese, R and Pauly, D (2000) Fishbase 2000: Concepts, design and data sources ICLARM 344 pp 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
  • Rao, DV and Devi, Kamlahttp:// (1996) Notes on rabbit fishes (Family: Siganidae) of Andaman and Nicobar islands Journal of Andaman Science Association Andaman Science Association, Central Agricultural Research Institute, Andaman, India 12 (1-2) 84-88 Available at - NIO, Goa

Page last updated on:2011-10-07

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