HomeFish encyclopediaRay-finned fishesPerch-like fishPricklebacksSix-spot prickleback Six-spot prickleback (Kasatkia seigeli) Scientific name: Kasatkia seigeli Posner & Lavenberg, 1999 The Six-spot prickleback (Kasatkia seigeli) is a marine fish of the family Stichaeidae. Native range: Eastern Central Pacific, California, USA. Species factsScientific nameKasatkia seigeliFamilyStichaeidae (Pricklebacks)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length8.2Depth range6–26 m (20–85 ft)EnvironmentMarine; demersal; depth range 6 - 26 mClimateTropicalDistributionEastern Central Pacific: California, USA.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