Canthigaster margaritatus   (Ruppell,  1829) (Fish)
Organism information awaits expert curation
Class: Actinopterygii

Image copyrights: The Nature Conservation and Aquatic Sciences Service

Size: 30-86 mm

Color: Bluish brown, lighter on sides and below. Interorbital space crossed by blue lines. Horizontal bluish lines on upper part of head and on back. Cheek, body and caudal fin covered with small bluish ocelli edged dark. A dark black blue edged ocellus below base of dorsal fin. Pectoral, dorsal and anal yellowish.

Head 2.5-2.6 in standard length, 3.1-3.3 in total length. Depth of body 2.2-2.5 in standard length, 2.8-3.2 in total length. Eye diameter 4.2-4.6 in head, 2.7-3.1 in snout and 1.5-1.7 in somewhat concave interorbital space. Nostrils with a low rim. Dorsal ridge somewhat well developed. Head and entire body covered with minute spines. Pectoral fin about twice diameter of eye. Caudal peduncle deeper than long.
Number of spines and rays in the dorsal fin: i, 8; number of spines and rays in the anal fin: i, 8; number of rays in the pectoral fin: ii, 14-15.

Remarks: Values in above description denote proportions.

Synonym (s)
Tetraodon margaritatus Ruppell, 1828
Canthigaster margaritatus Smith, 1949
Tetrodon margaritatus Day, 1878

Common Name (s)
• Pearl Toby (English)
• Thundigu Koli
• Chundu
Economic Importance and Threats
Importance:  Commercial
(Ornamental fish)



• Lakshadweep, Agatti INDIA
• Lakshadweep, Amini INDIA
• Lakshadweep, Bitra INDIA
• Lakshadweep, Chettalatt INDIA
• Lakshadweep, Kadamatt INDIA
• Lakshadweep, Kalpeni INDIA
• Lakshadweep, Kavaratti INDIA
• Lakshadweep, Kilttan INDIA
• Lakshadweep, Minicoy INDIA
• Lakshadweep INDIA
• Red Sea
• Palk Bay INDIA
• Tamil Nadu, Gulf of Mannar INDIA
• Lakshadweep Islands INDIA (Record: 11/1993-01/1997)
• Lakshadweep, Minicoy Island (Lat: 8.11) (Long: 73.3) INDIA

Literature Source(s)
  • 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
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) 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 (2002) Marine ornamental fish resources of Lakshadweep CMFRI Special Publication CMFRI 72 1-134 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 -
  • Murty, VS (2001) Ornamental fish resources of Lakshadweep Bulletins of the Geological Survey of India 56 103-111 Available at -

Page last updated on:2011-06-28

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