HomeFish encyclopediaRay-finned fishesScorpionfishes and FlatheadsFlatheadsMcGrouther?s flathead McGrouther?s flathead (Rogadius mcgroutheri) Scientific name: Rogadius mcgroutheri Imamura, 2007 The McGrouther?s flathead (Rogadius mcgroutheri) is a marine fish of the family Platycephalidae. Native range: Western Central Pacific, Australia nd New Caledonia. BiologyDorsal spines (total): 9; Dorsal soft rays (total): 11-12; Anal soft rays: 11Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameRogadius mcgroutheriFamilyPlatycephalidae (Flatheads)OrderScorpaeniformes (Scorpionfishes and Flatheads)ClassActinopterygii (Ray-finned fishes)Maximum length14.6Depth range16–59 m (52–194 ft)EnvironmentMarine; demersal; depth range 16 - 59 mClimateTropicalDistributionWestern Central Pacific: Australia nd New Caledonia.Conservation status (IUCN)Not EvaluatedResilienceHigh, 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