HomeFish encyclopediaRay-finned fishesScorpionfishes and FlatheadsPoachersAtlantic poacher Atlantic poacher (Leptagonus decagonus) Scientific name: Leptagonus decagonus Bloch & Schneider, 1801 The Atlantic poacher (Leptagonus decagonus) is a marine fish of the family Agonidae. BiologyInhabits muddy bottoms at temperatures of 4.4 to -1.7 ?C. Benthic, possibly bathypelagic. Feeds on pelagic and benthic crustaceans and polychaetes.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameLeptagonus decagonusFamilyAgonidae (Poachers)OrderScorpaeniformes (Scorpionfishes and Flatheads)ClassActinopterygii (Ray-finned fishes)Maximum length21.0Depth range0–930 m (0–3051 ft)EnvironmentMarine; demersal; depth range 0 - 930 m, usually 75 - 230 mClimatePolarDistributionArctic to Northwest Atlantic and Northwest Pacific: Grand Bank and Gulf of St. Lawrence, Canada in western Atlantic. Eastern Atlantic: Spitsbergen and Finmarken coasts in Norway eastward to White Sea, Barents Sea and Kara Sea; also Iceland and Greenland. Also Okhotsk and Bering seas.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessResilienceMedium, minimum population doubling time 1.4 - 4.4 years (Fec = 1,088) SourcesTaxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.Last updated 27 September 2026