HomeFish encyclopediaRay-finned fishesScorpionfishes and FlatheadsFlatheadsOlive-tailed flathead Olive-tailed flathead (Rogadius asper) Scientific name: Rogadius asper Cuvier, 1829 The Olive-tailed flathead (Rogadius asper) is a marine fish of the family Platycephalidae. Native range: Indo-West Pacific, Broome (Australia), the Arafura Sea and northwards. Also known from southern Japan, Papua New Guinea, Philippines and Taiwan and India. BiologyFound on sand or mud bottoms of the continental shelf at a depth range of 15-95 m.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameRogadius asperFamilyPlatycephalidae (Flatheads)OrderScorpaeniformes (Scorpionfishes and Flatheads)ClassActinopterygii (Ray-finned fishes)Maximum length17.0Depth range15–95 m (49–312 ft)EnvironmentMarine; demersal; amphidromous; depth range 15 - 95 mClimateTropicalDistributionIndo-West Pacific: Broome (Australia), the Arafura Sea and northwards. Also known from southern Japan, Papua New Guinea, Philippines and Taiwan and India.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: minor commercialResilienceHigh, 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