Lutjanus monostigma   (Cuvier,  1828) (Fish)
Organism information awaits expert curation
Class: Actinopterygii

Image copyrights: Randall, J.E.

Size: 58-60 cm.

Color: Adults grey or yellowish grey to brown in color with yellow fins. At night it is brown to red in color. With or without black side spot that can be turned on or off at will. Generally silvery white with yellow fins, and usually a black spot below the middle of the dorsal fin that is intersected by the lateral line.

Dorsal profile of head gently to moderately sloped. Preorbital width about equal to eye diameter. Preopercular notch and knob poorly developed. Scale rows on back rising obliquely above lateral line. Height 2.7-2.9, 3.4-3.6 in length with caudal. Head 2.5-2.8, 3.1-3.5 in length with caudal. Eye 3.9-4.9, 1.5-1.8 in snout and more than somewhat convex inter orbital space. Mouth somewhat oblique. Maxillary to below front border of pupil or not so far in large specimens. Narrow bands of small teeth in the jaws, with an outer series of larger ones, some of which near symphysis of upper jaw are strong canines. Small teeth on vomer in a narrow bent band, forming an angle, and on palatines in an elongate band. Head naked anteriorly. scales beginning on occiput above hind border of eye with a distinct supra-temporal band of small scales. Six or seven transverse rows of scales on preoperculum. Posterior and inferior preopercular limb naked. Hind border and lower border of preoperculum rugose. Preopercular notch very shallow and indistinct. Longitudinal rows of scales above lateral line oblique, ascending to dorsal profile, those below lateral line parallel to the axis of the body. About 51-56 transverse rows of scales above, and about 45-47 rows below lateral line. Dorsal spines slender. First spine less than half length of second, which is shorter than third. Third spine longest, equal to snout. soft dorsal somewhat rounded, lower than or as high as spinous part. First anal spine much less than half length of second, which is about as long as third one and equal to diameter of eye. Soft anal truncate, much higher than spinous part. Pectorals half length of snout shorter than head. Ventrals somewhat less than head without snout, ventral spine about equal to snout. Caudal somewhat emarginate.

Dioecious with external fertilization.

Flesh is sometimes ciguatoxic.

Remarks: Values in above description denote proportions.

Synonym (s)
Mesoprion monostigma Cuvier and Valenciennes, 1828
Mesoprion monostigma Bleeker, 1849
Lutjanus monostigma Bleeker, 1863
Diacope monostigma Klunzinger, 1870
Mesoprion monostigma Gunther, 1875
Lutjanus lioglossus Bleeker, 1873
Lutjanus lioglossus Day, 1888
Lutjanus lioglossus Bleeker, 1877
Mesoprion lioglossus Klunzinger, 1884
Lutjanus lioglossus Steindachner, 1901
Lutjanus monostigma Jordan and Seale, 1906
Lutjanus monostigma Evermann and Seale, 1907
Lutianus fulviflamma Seale, 1906
Lutjanus monostigma de Beaufort, 1913
Lutjanus monostigma Fowler, 1928

Common Name (s)
• Onespot Snapper (English)
• One Spot Snapper (English)
Economic Importance and Threats
Importance:  Commercial
Cultured:  Yes

Habitat:  Reef Associated
Prey:  Benthic crustaceans


• Tamil Nadu, Cuddalore Coast INDIA (Record: 09/2008)

Literature Source(s)
  • James, C; O'Farrell, S; Hamylton, S; Ingwersen, C and Walker, R The coral reef resources of Mu Ko Surin national park, Thailand Coral Cay Conservation Available at -
  • Rouphael, T; Turak, E and Jon, B Seagrasses and mangroves of Yemen's Red Sea 41-89
  • Heemstra, E; Heemstra, P; Smale, M; Hoopers, T and Pelicier, D (2004) Preliminary checklist of coastal fishes from the Mauritian island of Rodrigues Journal of natural history Taylor and Francis 38(23-24) 3315 - 3350 Available at - index/
  • Kuo, RS and Shao, KT (1999) Species composition of fish in the coastal zones of the Tsengwen estuary, with descriptions of five new records from Taiwan Zoological Studies 38(4) 391-404 Available at - NIO, Goa
  • 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
  • Kemp, JM (1998) Zoogeography of the coral reef fishes of the Socotra Archipelago Journal of Biogeography 25 919-933
  • 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
  • Chabanet, P and Patrick, D (2005) Reef Fish Inventory of Juan De Novas Natural Park (Western Indian Ocean) Western Indian Ocean Journal Marine Sciences 2005 WIOMSA 4 145-162
  • Froese, R and Pauly, D (2000) Fishbase 2000: Concepts, design and data sources ICLARM 344 pp Available at -
  • Society for the Management of European Biodiversity Data (2009) World Register of Marine Species (WoRMS) Available at -
  • 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
  • Lakshmi, A and Sundaramanickam, A (2011) Biodiversity of reef ichthyofauna in Cuddalore coast, southeast coast of India International Journal of Environmental Sciences Integrated Publishing Association 1(7) 1616-1621 Available at -

Page last updated on:2011-06-15

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