HomeFish encyclopediaRay-finned fishesPerch-like fishJacks and pompanosBlue trevally Blue trevally (Carangoides ferdau) Scientific name: Carangoides ferdau Forssk?l, 1775 The Blue trevally (Carangoides ferdau) is a brackish-water fish of the family Carangidae. Native range: Indo-Pacific, Red Sea and East Africa (to Port Elizabeth, South Africa, ) to the Hawaiian Islands. BiologyDorsal spines (total): 9; Dorsal soft rays (total): 26-34; Anal spines: 3; Anal soft rays: 21 - 26. Blue green above, paler below; 5-6 dusky bands on sides; sometimes with inconspicuous golden spots. LL with 21-37 small scutes.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameCarangoides ferdauFamilyCarangidae (Jacks and pompanos)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length70.0Common length30.0Depth range1–60 m (3–197 ft)EnvironmentMarine; brackish; reef-associated; depth range 1 - 60 mClimateTropicalDistributionIndo-Pacific: Red Sea and East Africa (to Port Elizabeth, South Africa, ) to the Hawaiian Islands.Conservation status (IUCN)Not EvaluatedThreat to humansReports of ciguatera poisoningUsesFisheries: commercial; gamefish: yesResilienceMedium, minimum population doubling time 1.4 - 4.4 years (K=0.21) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026