HomeFish encyclopediaRay-finned fishesPerch-like fishSnappersOne-spot snapper One-spot snapper (Lutjanus monostigma) Scientific name: Lutjanus monostigma Cuvier, 1828 The One-spot snapper (Lutjanus monostigma) is a marine fish of the family Lutjanidae. Native range: Indo-Pacific, East Africa to the Marquesas and Line islands, north to the Ryukyu Islands, south to Australia. BiologyDorsal spines (total): 10; Dorsal soft rays (total): 13-14; Anal spines: 3; Anal soft rays: 8 - 9. Adults grey or yellowish grey to brown 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. 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. 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.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameLutjanus monostigmaFamilyLutjanidae (Snappers)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length60.0Common length50.0Depth range1–60 m (3–197 ft)EnvironmentMarine; reef-associated; depth range 1 - 60 mClimateTropicalDistributionIndo-Pacific: East Africa to the Marquesas and Line islands, north to the Ryukyu Islands, south to Australia.Conservation status (IUCN)Not EvaluatedThreat to humansReports of ciguatera poisoningUsesFisheries: commercial; aquaculture: commercialResilienceMedium, minimum population doubling time 1.4 - 4.4 years (K=0.22) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026