HomeFish encyclopediaRay-finned fishesPerch-like fishFalse trevalliesFalse trevally False trevally (Lactarius lactarius) Scientific name: Lactarius lactarius Bloch & Schneider, 1801 The False trevally (Lactarius lactarius) is a brackish-water fish of the family Lactariidae. Native range: Indo-West Pacific, East Africa to Southeast Asia, north to Japan, south to Queensland, Australia. Reported from Fiji. BiologyFound in coastal waters down to a depth of about 100 m and between 15-90 m in western Indonesia. Feeds on sand-dwelling animals. Marketed fresh and dried salted.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameLactarius lactariusFamilyLactariidae (False trevallies)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length40.0Common length30.0Depth range15–100 m (49–328 ft)EnvironmentMarine; brackish; pelagic-neritic; depth range 15 - 100 mClimateTropicalDistributionIndo-West Pacific: East Africa to Southeast Asia, north to Japan, south to Queensland, Australia. Reported from Fiji.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: commercialResilienceHigh, minimum population doubling time less than 15 months (K=0.6) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026