HomeFish encyclopediaRay-finned fishesPerch-like fishSandperchesThreespine grubfish Threespine grubfish (Simipercis trispinosa) Scientific name: Simipercis trispinosa Johnson & Randall, 2006 The Threespine grubfish (Simipercis trispinosa) is a marine fish of the family Pinguipedidae. Native range: Western Pacific, Australia. Species factsScientific nameSimipercis trispinosaFamilyPinguipedidae (Sandperches)OrderPerciformes (Perch-like fish)ClassActinopterygii (Ray-finned fishes)Maximum length13.5Depth range51–170 m (167–558 ft)EnvironmentMarine; benthopelagic; depth range 51 - 170 mClimateTropicalDistributionWestern Pacific: Australia.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