HomeFish encyclopediaRay-finned fishesPerch-like fishEmperors or scavengersOrnate emperor Ornate emperor (Lethrinus ornatus) Scientific name: Lethrinus ornatus Valenciennes, 1830 The Ornate emperor (Lethrinus ornatus) is a marine fish of the family Lethrinidae. BiologyDorsal spines (total): 10; Dorsal soft rays (total): 9; Anal spines: 3; Anal soft rays: 8. Body color is dusky whitish, becoming lighter below, with four or six orange stripes. The posterior edges of the operculum and preoperculum are bright red. The head is brown or tan, sometimes with a red spot on the lower front edge of the eye. The pectoral fin is orangish; the pelvic, anal and most of the dorsal fin is whitish. The edge of the dorsal and caudal fin is reddish.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameLethrinus ornatusFamilyLethrinidae (Emperors or scavengers)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length45.0Depth range30 m (98 ft)EnvironmentMarine; reef-associated; non-migratory; depth range ? - 30 mClimateTropicalDistributionIndo-West Pacific: Maldives and Sri Lanka to the Ryukyu Islands, Papua New Guinea, and northeast Australia. Reported from Viet Nam but this is probably a misidentification.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: minor commercialResilienceHigh, minimum population doubling time less than 15 months (K=0.4-0.5) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026