HomeFish encyclopediaRay-finned fishesScorpionfishes and FlatheadsFlatheadsMud flathead Mud flathead (Ambiserrula jugosa) Scientific name: Ambiserrula jugosa McCulloch, 1914 The Mud flathead (Ambiserrula jugosa) is a brackish-water fish of the family Platycephalidae. Native range: Southwest Pacific, endemic to Australia. BiologyFound on the continental shelf, inshore region.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameAmbiserrula jugosaFamilyPlatycephalidae (Flatheads)OrderScorpaeniformes (Scorpionfishes and Flatheads)ClassActinopterygii (Ray-finned fishes)Maximum length12.1Depth range15–53 m (49–174 ft)EnvironmentMarine; brackish; demersal; depth range 15 - 53 mClimateSubtropicalDistributionSouthwest Pacific: endemic to Australia.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceHigh, 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