HomeFish encyclopediaRay-finned fishesPerch-like fishEmperors or scavengersRed snout emperor Red snout emperor (Lethrinus reticulatus) Scientific name: Lethrinus reticulatus Valenciennes, 1830 The Red snout emperor (Lethrinus reticulatus) is a marine fish of the family Lethrinidae. Native range: Indo-West Pacific, Chagos, West Thailand, Ryukyu Islands, the Philippines to Irian Jaya, Indonesia. BiologyDorsal spines (total): 10; Dorsal soft rays (total): 9; Anal spines: 3; Anal soft rays: 8. Body color is olive gray or tan, often with scattered irregular black blotches. The head is brown or olive with an indistinct reddish band on the snout. The base of the pectoral fin, the upper edge of the operculum and sometimes the posterior edge of the preoperculum are red.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameLethrinus reticulatusFamilyLethrinidae (Emperors or scavengers)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length40.0EnvironmentMarine; reef-associated; non-migratoryClimateTropicalDistributionIndo-West Pacific: Chagos, West Thailand, Ryukyu Islands, the Philippines to Irian Jaya, Indonesia.Conservation status (IUCN)Data deficient (DD)Threat to humansHarmlessUsesFisheries: minor commercialResilienceMedium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026