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

Image copyrights: Ministry of Agriculture and Fisheries, Sultanate of Oman

Size: 29-80 cm.

Weight: 2250 gm.

Color: Olive-brown becoming paler below with bluish radiating streaks in front of the eyes. The fins are reddish except for the pelvic fins which are dusky

It is an elongate, fairly compressed species. The mouth is terminal and bears conical teeth postero-laterally and caniniform teeth anteriorly in both jaws. The fins include a single continuous dorsal with 10 spines and 9 soft rays, an anal fin with 3 spines and 7 or 8 soft rays and a slightly forked caudal fin. Dorsal profile sloping evenly to dorsal, snout rather pointed. Height 3-3.3, 3.7-4 in length with caudal. Head 2.7-2.9, 3.3-3.5 in length with caudal. Eye round, rather small, 4-5.3, equal to, or in large specimens, about 1.5 in inter orbital space. Relative length of sides of triangle formed by middle of pupil, angle of preoperculum and snout (in this sequence) 1:1.6-1.9:1.4-1.5. Mouth very slightly oblique. Maxillary reaching to below posterior nostril in large specimens. canines small, lateral teeth conical. Six scales between origin of dorsal and lateral line. Third, or third and fourth dorsal spines longest, somewhat more than post orbital part of head, equal to or longer than longest soft dorsal rays. Origin of anal below last dorsal spine, separated by 16 scales from lateral line. Second anal spine shorter than third or equal to it, as long as post orbital part of head and shorter than longest soft anal rays. Base of soft anal longer than longest soft anal rays. Pectorals as long as snout and eye, ventrals about one half diameter of eye shorter. Least height of caudal peduncle almost twice in its length. Caudal deeply incised. Dorsal spines (total): 10-10; dorsal soft rays (total): 9-9; anal spines: 3; anal soft rays: 8. The third dorsal spine is the longest.

Remarks: Value in above description denote proportions.

Synonym (s)
Lethrinus microdon Cuvier and Valenciennes, 1830
Lethrinus ramak Klunzinger, 1870
Lethrinus rostratus Day, 1888
Lethrinus ramak Kossmann and Rauber, 1876
Lethrinus acutus Klunzinger, 1884
(Junior synonym)
Lethrinus miniatus Day, 1889
Lethrinus microdon Sauvage, 1891
Lethrinus acutus Pfeffer, 1893
Lethrinus acutus Steindachner, 1902
Lethrinus ramak Herre and Montalban, 1927
Lethrinus genivittatus Fowler, 1933
Lethrinella microdon (Valenciennes, 1830)
(Senior synonym)
Lethrinus elongatus Valenciennes, 1830
(Junior synonym)

Common Name (s)
• Smalltoothed Emperor (English)
• Smalltooth Emperor (English)
• Smalltoothed Pigface Bream (English)
• Filolu
• Metti
Economic Importance and Threats
Importance:  Commercial, Dangers
(Fisheries, marketed fresh
Causes ciguatera poisoning.)

Habitat:  Reef Associated
Trophic Level:  Secondary Consumer
Prey:  Crustaceans, polychaetes, molluscs and small fishes


• Andaman and Nicobar Islands, Andaman Islands (Lat: 10) (Long: 93) INDIA
• Andaman and Nicobar Islands, Nicobar Island (Lat: 8) (Long: 93.5) INDIA
• West Coast INDIA
• Red Sea
• Tamil Nadu, Tuticorin INDIA
• Tamil Nadu, Gulf of Mannar INDIA
• Andaman and Nicobar Islands INDIA
• Tamil Nadu INDIA
• Kerala INDIA

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
  • Rouphael, T; Turak, E and Jon, B Seagrasses and mangroves of Yemen's Red Sea 41-89
  • Hussain, SM Brief report on biodiversity in the coastal areas of Pakistan p 113
  • Mahmoud, MU; Mekkawy, AAI and H. Ahemed, SA (2005) Scale characteristics of seven species of genus Lethrinus (family Lethrinidae) from the Red Sea, Egypt Egyptian Journal of Zoology 44 545-580
  • Letourneur, Y; Chabanet, P; Durville, P; Taquet, M; Teissier, E; Parmentier, M; Quero, JC and Pothin, K (2004) An updated checklist of the marine fish fauna of Reunion Island, south-western Indian Ocean Cybium 28(3) 199-216
  • Torao, S (1978) A synopsis of the Sparoid fish genus Lethrinus, with the description of a new species University of Tokyo Press 25569 Available at - CMFRI, Kochi
  • Allen, GR and Mohammed, A (2003) Coral Reef Fishes of Indonesia Zoological Studies 42(1) 26299 Available at - Digital Information Resource Center, Pune.
  • Froese, R and Pauly, D (2000) Fishbase 2000: Concepts, design and data sources ICLARM 344 pp Available at - http://www.fishbase.org
  • Al-Abdessalaam, TZS (1995) Marine species of the Sultanate of Oman p 412 Available at - NIO, Goa
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at - http://www.marinespecies.org
  • Weber, M; Beaufort, LF (1936) The fishes of the Indo-Australian Archipelago Print times, Pataudi house, Daryaganj, New Delhi 7 607 pp Available at - NIO, Goa
  • Talwar, PK and Kacker, RK (1984) Commercial sea fishes of India ZSI, Calcutta 997 pp Available at - NIO, Goa
  • Fischer, W and Bianchi, G (Eds.) (1984) FAO species identification sheets for fishery purposes. Western Indian Ocean (Fishing Area 51) FAO, Rome 2 Available at - http://www.fao.org/docrep/009/ad468e/ad468e00.HTM#Contents
  • Varghese, M; Manisseri, MK; Ramamurthy, N; Geetha, PM; Thomas, VJ and Gandhi, A (2011) Coral reef fishes of Gulf of Mannar, S.E of India Fishing Chimes CMFRI 31(1) 38-40 Available at - NIO, Goa
  • 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
  • James, PSBR; Lazarius, S and Arumugam, G (1994) The present status of 'Major Perch' fisheries in India Perch fisheries in India Bulletin Of Central Marine Fisheries Research Institute CMFRI, Cochin 47 1-9 Available at - http://eprints.cmfri.org.in/8218/1/Bulletin_No_47.pdf
  • 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 - eprints.cmfri.org.in/3975/1/Special_Publication_No_12_Revised.pdf

Page last updated on:2011-12-01

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