HomeFish encyclopediaRay-finned fishesScorpionfishes and FlatheadsPoachersSnailfish Snailfish (Agonopsis chiloensis) Scientific name: Agonopsis chiloensis Jenyns, 1840 The Snailfish (Agonopsis chiloensis) is a marine fish of the family Agonidae. Native range: Southeast Pacific, Chile. Southwest Atlantic: Patagonia, Argentina. BiologyDorsal spines (total): 7 - 8; Dorsal soft rays (total): 7; Anal spines: 0; Anal soft rays: 7 - 8. Posterior margin of caudal fin somewhat round. Body dark brown dorsally and paler ventrally, five distinct cross-bars on back, with less distinct dark markings on sides and nape.Source: FishBase, licensed CC BY-NC 4.0. Species factsScientific nameAgonopsis chiloensisFamilyAgonidae (Poachers)OrderScorpaeniformes (Scorpionfishes and Flatheads)ClassActinopterygii (Ray-finned fishes)Maximum length12.5Depth range3–400 m (10–1312 ft)EnvironmentMarine; demersal; depth range 3 - 400 mClimateSubtropicalDistributionSoutheast Pacific: Chile. Southwest Atlantic: Patagonia, Argentina.Conservation status (IUCN)Not EvaluatedThreat to humansHarmlessUsesFisheries: of no interestResilienceHigh, 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