Lethrinus erythracanthus   Valenciennes,  1830 (Fish)
Organism information awaits expert curation
Class: Actinopterygii

Image copyrights: Randall, J.E.

Size: 64.8-70.0 cm TL

Weight: 4.5 kg

Color: Body dark grey, dusky, becoming paler on ventral side; head brownish grey with indistinct scattered small and white dots on cheeks, with light stripes on body. Pectoral, pelvic, anal and caudal fin bright orange in color. Dorsal spines blackish yellow in color. Lips and inside of mouth bright scarlet. Iris grey and silvery.

Body moderately deep, its depth 2.5 times in standard length; head depth 2.7 times in standard length; less than body depth. Dorsal profile near eye distinctly convex; snout moderately short, snout angle at a 55 degree relative to upper jaw, interorbital area convex; posterior nostril an oblong opening closer to eye than anterior nostril; eyes placed close to dorsal profile; cheek moderately high, naked; posterior portion of operculum covered with scales. Large fleshy mouth with a cleft in front. Lateral teeth uniserial, caniniform, robust; postero-lateral teeth roundish. Outer surface of maxilla smooth; end of jaws on the vertical through anterior margin of orbit. Dorsal fin with 10 spines and 9 soft rays; third to fifth spines longest. Anal fin with 3 spines and 8 rays; fourth ray longest; soft anal base much shorter than the longest soft anal ray. Pectoral ray 13, inner surface covered with scales; pelvic with 1 spine and 5 rays, interfin membranes of pelvic fins without any pigments. Lateral line scale count 47; 5 scale rows between lateral line and median dorsal spines. Caudal lobes distinctly obtuse.

Synonym (s)
Lethrinus cinnabarinus Richardson, 1843
(Junior synonym)
Lethrinus erythracanthus Valenciennes, 1830
(Senior synonym)
Lethrinus kallopterus Bleeker, 1856
(Junior synonym)
Lethrinus striatus Steindachner, 1866

Common Name (s)
• Orange-Spotted Emperor (English)
Economic Importance and Threats
Importance:  Commercial, Dangers
Causes ciguatera poisoning)

Habitat:  Coastal
Trophic Level:  Secondary Consumer
Prey:  Crustaceans, mollusks, echinoids, crinoids and starfish


• Kerala INDIA (Record: 11/2005)

Literature Source(s)
  • Rao, DV; Devi, K and Rajan, PT (2000) An account of ichthyofauna of Andaman and Nicobar Islands, Bay of Bengal Occasional paper no 178 Records of the Zoological Survey of India ZSI, Calcutta 1-434 Available at - NCL, Pune
  • Durville, P; Chabanet, P and Quod, JP (2003) Visual Census of the Reef Fishes in the Natural Reserve of the Glorieuses Islands (Western Indian Ocean) Western Indian Ocean J. Mar. Sci. WIOMSA 2 95-104
  • Allen, GR and Mohammed, A (2003) Coral Reef Fishes of Indonesia Zoological Studies 42(1) 26299 Available at - Digital Information Resource Center, Pune.
  • Garpe, KC and Ohman, MC (2003) Coral and fish distribution patterns in Mafia Island marine park Tanzania fish habitat interactions Hydrobiologia Kluwer Academic Publishers 498 191-211 Available at - NIO, RC Kochi
  • Froese, R and Pauly, D (2000) Fishbase 2000: Concepts, design and data sources ICLARM 344 pp Available at - http://www.fishbase.org
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at - http://www.marinespecies.org
  • Nair, RJ (2007) The orange spotted emperor Lethrinus erythracanthus Valenciennes, 1830 (Perciformes: Lethrinidae) - a new record from Indian waters Journal of the Marine Biological Association of India The Marine Biological Association of India, Cochin 49(2) 234-236 Available at - NIO, Goa

Page last updated on:2010-04-29

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