HomeFish encyclopediaRay-finned fishesScorpionfishes and FlatheadsFlatheadsTwo-spotted flathead Two-spotted flathead (Onigocia bimaculata) Scientific name: Onigocia bimaculata Knapp, Imamura & Sakashita, 2000 The Two-spotted flathead (Onigocia bimaculata) is a marine fish of the family Platycephalidae. Species factsScientific nameOnigocia bimaculataFamilyPlatycephalidae (Flatheads)OrderScorpaeniformes (Scorpionfishes and Flatheads)ClassActinopterygii (Ray-finned fishes)Maximum length6.6Depth range3–30 m (10–98 ft)EnvironmentMarine; demersal; depth range 3 - 30 mClimateSubtropicalDistributionIndo-Pacific: Known from the Gulf of Aqaba, Comoro Islands and Mauritius to southern Japan, the Philippines, Caroline Islands, northeastern Australia, New Caledonia, Fiji, Tonga, American Samoa and the Society Islands.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