HomeFish encyclopediaRay-finned fishesScorpionfishes and FlatheadsPoachersDragon poacher Dragon poacher (Percis japonica) Scientific name: Percis japonica Pallas, 1769 The Dragon poacher (Percis japonica) is a marine fish of the family Agonidae. Native range: North Pacific, Sea of Japan to the Sea of Okhotsk and the Bering Sea. BiologyDorsal spines (total): 5 - 7; Dorsal soft rays (total): 6-8; Anal spines: 0; Anal soft rays: 7 - 9; Vertebrae: 40 - 42. Snout round, without a barbel on its anterior tip; dorsum highly elevated at nape. Branchial membranes united, free from isthmus. Bony plate on body with a large sharp spine.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific namePercis japonicaFamilyAgonidae (Poachers)OrderScorpaeniformes (Scorpionfishes and Flatheads)ClassActinopterygii (Ray-finned fishes)Maximum length42.0Depth range19–750 m (62–2461 ft)EnvironmentMarine; bathydemersal; depth range 19 - 750 mClimateDeep-waterDistributionNorth Pacific: Sea of Japan to the Sea of Okhotsk and the Bering Sea.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceLow, minimum population doubling time 4.5 - 14 years (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