HomeFish encyclopediaRay-finned fishesPerch-like fishEmperors or scavengersPacific yellowtail emperor Pacific yellowtail emperor (Lethrinus atkinsoni) Scientific name: Lethrinus atkinsoni Seale, 1910 The Pacific yellowtail emperor (Lethrinus atkinsoni) is a marine fish of the family Lethrinidae. BiologyInhabits seagrass beds and sandy areas of lagoons and outer reef slopes. Found singly or in schools. Feeds mainly on crustaceans, mollusks, and fish. Marketed fresh.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameLethrinus atkinsoniFamilyLethrinidae (Emperors or scavengers)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length50.0Common length32.5Depth range30 m (98 ft)EnvironmentMarine; reef-associated; non-migratory; depth range ? - 30 m, usually 2 - 18 mClimateTropicalDistributionPacific Ocean: Indonesia and Philippines, north to southern Japan, south to Australia, east to the Tuamoto Islands. Has most frequently been named Lethrinus mahsena.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: minor commercial; gamefish: yesResilienceMedium, minimum population doubling time 1.4 - 4.4 years (K=0.29-0.31; tm=3.7-5; tmax=24) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026