HomeFish encyclopediaRay-finned fishesPerch-like fishSmelt-whitingsMud sillago Mud sillago (Sillago lutea) Scientific name: Sillago lutea McKay, 1985 The Mud sillago (Sillago lutea) is a marine fish of the family Sillaginidae. BiologyCommonly associated with Penaeus merguiensis de Man in northern Australia, and occurs most abundantly on muddy or very silty substrates. Oviparous. Sexually mature at 10 cm SL (ripe females 10.4-12.0 cm). This species could form the basis of a small by-catch fishery, to be exported ungutted.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameSillago luteaFamilySillaginidae (Smelt-whitings)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length16.0Common length15.0Depth range0–60 m (0–197 ft)EnvironmentMarine; demersal; non-migratory; depth range 0 - 60 m, usually 0 - 60 mClimateTropicalDistributionIndo-West Pacific: India and Sri Lanka; northern Australia from Exmouth Gulf, Western Australia to the Arafura Sea and the Gulf of Carpentaria. Sillago lutea may be confused with Sillago sihama and Sillago japonica.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: of potential interestResilienceHigh, minimum population doubling time less than 15 months (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