Canthigaster amboinensis   (Bleeker,  1864) (Fish)
Organism information awaits expert curation
Class: Actinopterygii

Image copyrights: Randall, J.E.

Size: Max length 15.0 cm TL (male/unsexed)

Color: Dark olive, somewhat lighter below. Sides of snout with some oblique narrow dark stripes breaking up into spots below eye. Some dark stripes radiating from eye. Back, sides of body and tail with pale spots each with a small black dot in the center. Bases of dorsal, anal and pectoral dark, the fins hyaline. Caudal dark.

Moderately compressed, back slightly keeled. Head 2.7 in standard length, 3.4 in total length. Depth of body 2.1 in standard length, 2.6 in total length. Eye diameter 4.0 in head, 2.3 in snout and 1.6 in slightly concave interorbital space. Nostrils minute with a low rim. Minute spines on head and body, those on body inconspicuous. Caudal fin somewhat rounded.
Number of spines and rays in the dorsal fin: i, 10; number of spines and rays in the anal fin: i, 9; number of rays in the pectoral fin: 15.

Remarks: Values in above description denote proportions.

Synonym (s)
Psilonotus amboinensis Bleeker, 1865
Canthigaster amboinensis Smith, 1949
Canthigaster margaritatus (non Ruppell, 1829)
(Misapplied name)
Canthigaster polyophthalmus Pietschmann, 1938
(Junior synonym)
Canthigaster solandri (non Richardson, 1845)
(Misapplied name)
Psilonotus amboinensis Bleeker, 1864
(Senior synonym)
Tetrodon amboinensis natalensis (non Gunther, 1870)
(Misapplied name)
Tetrodon natalensis (non Gunther, 1870)
(Misapplied name)
Tropidichthys oahuensis Jenkins, 1903
(Junior synonym)
Tropidichthys psegma Jordan & Evermann, 1903
(Junior synonym)

Common Name (s)
• Spider Eye Puffer (English)
• Thundigu Koli (Mahl)
• Ocellated Toby
Economic Importance and Threats
Importance:  Commercial
(Aquarium, Ornamental fish)

Habitat:  Bentho Pelagic, Reef Associated
Trophic Level:  Consumer
Prey:  Algae, polychaetes, sea urchins, brittle stars, mollusks, tunicates, corals, crustaceans and sponges


• Lakshadweep, Minicoy INDIA
• Lakshadweep Islands INDIA (Record: 11/1993-01/1997)

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 -
  • Froese, R and Pauly, D (2000) Fishbase 2000: Concepts, design and data sources ICLARM 344 pp Available at -
  • Jones, S and Kumaran, M (1966) New records of fishes from the seas around India - Part IV Journal of the Marine Biological Association of India Marine Biological Association of India 8(1) 163-180 Available at -
  • 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 -
  • Murty, VS (2002) Marine ornamental fish resources of Lakshadweep CMFRI Special Publication CMFRI 72 1-134 Available at -
  • Pillai, PKM and Augustine, SK (2000) A code list of common marine living resources of the Indian seas CMFRI Special Publication No.12 CMFRI 1-115 Available at -

Page last updated on:2011-12-13

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