Pterois radiata   Cuvier,  1829 (Fish)
Organism information awaits expert curation
Class: Actinopterygii

Image copyrights: Randall, J.E.

Size: 20.0-24.0 cm TL (male/unsexed).

Color: Reddish brown with 8 narrow white transverse lines, two below posterior dorsal spines being bifurcated above and below and two longitudinal white lines on caudal peduncle being joined anteriorly to the last transverse line. A deep brown band through eye to angle of preopercle. Dorsal and anal whitish, base a little darker. Caudal white, rays spotted. Basal part of pectoral brownish with two whitish lines, rays white. Ventral brownish with one white line.

Head equal to depth of body, 2.5-2.7 in standard length, 3.3-3.5 in total length. Eye diameter 3.6-3.7 in head, equal to snout and 0.8 in concave interorbital space. Maxillary reaching to below middle of eye. Villiform teeth in jaws and on vomer. Spination consisting of one behind anterior nostril, supraorbital ridge with three spines, interorbital ridges ending posteriorly in postfrontal spines, superior postorbital ridge with 3 spines, inferior postorbital ridge with 5 or 6 spines, suborbital ridge with several small spines, preoperculum with 3 spines and a large flat opercular spine. Tentacles on preopercle, lower margin of preorbital and smaller ones on snout; anterior nostril with a small flap and a fleshy tentacle above eye. Pectoral fin reaching to end of caudal fin. Ventral fin equal to head.
Number of spines and rays in the dorsal fin: XII, 11; number of spines and rays in the anal fin: III, 6; number of rays in the pectoral fin: 16; number of spines and rays in the ventral fin: I, 5; number of scale rows along the midside of body from the upper corner of operculum to the midbase of caudal fin in the absence of lateral line: 50-53; number of horizontal scale rows usually counted from origin of the dorsal fin to the lateral line and from anal origin to the lateral line: 7-8+1+11-14.

Remarks: Values in above description denote proportions.

Synonym (s)
Pteropterus radiata (Cuvier, 1829)
(Senior synonym)
Pterois radiata Cuvier, 1829
Pterois cincta Day, 1878
Pteropterus radiata Smith, 1957
Pterois cincta Ruppell, 1840
Pterois cincta Gunther, 1860
Pterois cincta Klunzinger, 1870
Pterois radiata Gunther, 1875
Pterois cincta Day, 1875
Pterois radiata Klunzinger, 1884
Pterois radiata Day, 1889
Pterois radiata Jordan and Seale, 1906
Pterois radiata Fowler, 1928
Pterois radiata Pietschmann, 1930
Pterois radiata Herre, 1936
Pterois radiata Matsubara, 1943
Pterois cincta Ruppell, 1838
Pteropterus radiatus (Cuvier, 1829)

Common Name (s)
• Radial Firefish (English)
• Clearfin Turkeyfish (English)
• Fang Hamas (Mahl)
• Chavarali (Malayalam)
Economic Importance and Threats
Importance:  Commercial, Dangers
(Fisheries, aquarium
Venomous; capable of inflicting a painful sting.)

Habitat:  Reef Associated, Rocky
Trophic Level:  Secondary Consumer
Prey:  Small crabs and shrimps


• Lakshadweep, Kavaratti INDIA
• Lakshadweep, Minicoy INDIA
• Lakshadweep INDIA
• Andaman and Nicobar Islands, Andamans INDIA
• Red Sea
• Lakshadweep, Kavaratti Atoll INDIA (Record: 01/1991-06/1992)
• Andaman and Nicobar Islands, Great Nicobar Island INDIA (Record: 08/2000-07/2003)
• Andaman and Nicobar Islands 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 -
  • Froese, R and Pauly, D (2000) Fishbase 2000: Concepts, design and data sources ICLARM 344 pp Available at -
  • Beaufort, LF and Briggs, JC (1962) The fishes of the Indo-Australian Archipelago Pataudi House, Daryaganj, New Delhi 11 481 pp Available at - NIO, Goa
  • Rajaram, R; Srinivasan, M; Khan, SA and Kannan, L (2004) Ichthyofaunal diversity of great Nicobar Island, Bay of Bengal Journal of Indian fisheries association 31 13-26 Available at - NIO, Goa
  • Rajaram, R and Nedumaran, T (2009) Ichthyofaunal diversity in great Nicobar biosphere reserve, Bay of Bengal Journal of Threatened Taxa Wildlife Information Liaison Development Society 1(3) 166-169 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 -
  • Anand, PEV and Pillai, NGK (2004) Community organization of reef fishes in the live coral sub-habitat of Kavaratti atoll, Lakshadweep, India Indian Journal of Fisheries Indian Journal of Fisheries for the Indian Council of Agricultural Research 51(1) 87-95 Available at -
  • 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:2011-07-19

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